Radoljub Petrović

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The national composition of the population of Yugoslavia is described using data from a variety of official sources, including the 1981 census. Changes in the national composition between 1971 and 1981 are also discussed. Consideration is given to differences in birth, death, and natural increase rates by nationality and to the territorial distribution of(More)
Global climatic changes, air temperature increase and drastic rainfall decrease generally cause drought. The issue has recently moved into focus as it poses a threat to the very survival of life on Earth. The problem is crucial regarding plant life, primarily agricultural crops. Cultivated plants have an outstanding role in providing nutrition for humans(More)
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