Results 21 to 30 of about 1,787,006 (195)

The Role of Certifications in Improving Household Food Security Among Peruvian Farmers

open access: yesAgribusiness, EarlyView.
ABSTRACT Achieving global food security requires sustainable transformations in agri‐food systems. Voluntary Sustainability Standards (VSS) such as Organic and Fairtrade aim to internalize certain social and environmental costs while promoting more equitable value distribution, improved market access, and sustainable production practices.
Lisa‐Marie Schulte, Awudu Abdulai
wiley   +1 more source

El proyecto de la dirección de obra propuestas de innovación pedagógica en una asignatura electiva orientada

open access: yesArquitecno, 2018
El cambio de Plan de Estudios establecido a partir del año 2008 en la Facultad de Arquitectura y Urbanismo de la Universidad Nacional de La Plata | FAU-UNLP (Plan de Estudios VI/2008), incorpora para el título de arquitecto dos Asignaturas Electivas ...
Jorge Oliva   +2 more
doaj   +1 more source

Exploring the Profile of Online Gamblers: Key Factors and the Role of Smartphone Addiction in Long‐Term Gambling Engagement

open access: yesJournal of Consumer Behaviour, EarlyView.
ABSTRACT The rapid expansion of online gambling has significantly impacted the gambling industry. However, concerns have arisen regarding how psychosocial factors and excessive smartphone use influence user behavior on online gambling platforms, which has highlighted the need for broader and long‐term studies. More nationally representative studies are
Hazal Dilan Erdem   +2 more
wiley   +1 more source

Sulfur‐Rich μ‐O Diiron Catalyst for Electrochemical Hydrogen Production

open access: yesEuropean Journal of Inorganic Chemistry, EarlyView.
A diferric μ‐oxido complex supported by a sulfur‐rich scaffold acts as a proton‐reduction electrocatalyst for H2 production via a μ‐hydroxido species. An aminodithiophenolate scaffold with an NS2 donor set supports diiron complex formation. The diferrous precursor activates O2, giving rise to a diferric μ‐oxido species, which acts as a proton‐reduction
Hugo C. Hernández‐Toledo   +7 more
wiley   +1 more source

Psychological adaptation to extreme environments: Antarctica as a space analogue [PDF]

open access: yes, 2018
Space analogues are settings where particular conditions can be reproduced to study physiological and psychological variables experienced in space. Antarctica is one of the most reliable analogues to assess the effects of isolation, confinement, light ...
Barbarito, Marta   +5 more
core   +1 more source

A Photoredox Radical‐Polar Crossover Reaction for the Preparation of Monoprotected Dicarbonyl Compounds

open access: yesEuropean Journal of Organic Chemistry, EarlyView.
An ATRA‐based, Ru‐photocatalyzed radical‐polar crossover reaction for the preparation of monoprotected dicarbonyl compounds is reported. This procedure is based on the capture of a cationic intermediate, arising from the radical step, with diverse nucleophiles.
Derek Mota‐Hernández   +2 more
wiley   +1 more source

Liderazgo Docente: Percepciones de la Dirección y del Profesorado

open access: yesInternational Journal of Educational Leadership and Management
El interés por estudiar el liderazgo docente está relacionado con la capacidad que tiene el profesorado de promover la mejora en las escuelas. El objetivo de esta investigación es conocer las percepciones sobre las funciones y características de los ...
Gloria Gratacós   +2 more
doaj   +3 more sources

Género y liderazgo en cargos de gestión y dirección

open access: yesRevista de Estudios e Investigación en Psicología y Educación, 2019
La presencia de las mujeres en el mercado laboral es una realidad hoy en día, no obstante, el acceso a los puestos de responsabilidad y poder, espacios donde podrían ejercer su liderazgo, son todavía una barrera insalvable para ellas.
María Dolores Castro   +3 more
doaj   +1 more source

Beak deformation in an Antarctic Cormorant Phalacrocorax [atriceps] bransfieldensis chick [PDF]

open access: yes, 2004
Fil: Casaux, Ricardo Jorge. Ministerio de Relaciones Exteriores, Comercio Interno y Culto. Dirección Nacional del Antártico. Instituto Antártico Argentino; Argentina.
Casaux, Ricardo Jorge
core  

El capital social como enfoque teórico en Dirección Estratégica [PDF]

open access: yes, 2019
[EN] The objective of this research paper is to investigate, from a theoretical point of view, the strategic relevance of social capital. In recent years, academic literature in this field has witnessed remarkable growth, recognizing social capital as a ...
Donate Manzanares, Mario Javier   +2 more
core   +4 more sources

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