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  • and southwestern China are much more abundant in energy than the rest of the country. Six first-order and 13 second-order energy-economic regions are demarcated, the latter sub-divided under urban and rural categories. Rational deployment of energy resources within
  • 1983
  • Socio-economic development of the Yanbu sub-region, Saudi Arabia: the impact of the construction workforce
  • 1983
  • in detail and two major communities are recognized: Buxo-Rubetum and Rhamno saxatilis-Buxetum, the last one with a new sub-association (arctostaphyletosum crassifoliae).
  • 1983