This paper studies GM foods domination of Saudi consumer markets. Questionnaires were developed and distributed among participants in Makkah city. The data were used to conduct several regressions. The results indicate ...

The present work describes a simplified method for field data which include total, direct, infrared (IR) and ultraviolet (UV) solar radiation in Riyadh for the period from 1982 to 1992. Four dimensionless parameters namely ...