Results 121 to 130 of about 3,106,350 (213)

Adult-onset refractory retroperitoneal neuroblastoma with diagnostic and therapeutic challenges: a case report and review of literature. [PDF]

open access: yesJ Med Case Rep
Karna NK   +9 more
europepmc   +1 more source

Nonparametric panel stationarity testing with an application to crude oil production. [PDF]

open access: yesJ Appl Stat, 2022
Presno MJ   +2 more
europepmc   +1 more source

OPEC in disarray

open access: yes, 1983
For years the Organization of Petroleum Exporting Countries had exerted near-total control over world oil prices, causing costs in industry, agriculture and transportation to soar. Following the 1973 Arab-Israeli War and the fall of the Shah of Iran, oil
Krogh, Peter F. (Peter Frederic)
core  

Co-operation between OPEC and African developing countries

open access: yes, 1976
The document discusses the importance of energy resources for economic development and the challenges faced by African developing countries, including energy shortages and high prices of essential commodities. It highlights the role of OPEC (Organization

core  

Opinion Formation in the World Trade Network. [PDF]

open access: yesEntropy (Basel)
Coquidé C, Lages J, Shepelyansky DL.
europepmc   +1 more source

Diversifying relationships: Russian policy toward GCC. [PDF]

open access: yesInt Polit (Hague), 2021
Issaev L, Kozhanov N.
europepmc   +1 more source

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