Behrman, D. (1979). Science and technology in development: A Unesco approach. Unesco.
Dyfyniad Arddull ChicagoBehrman, Daniel. Science and Technology in Development: A Unesco Approach. Paris: Unesco, 1979.
Dyfyniad MLABehrman, Daniel. Science and Technology in Development: A Unesco Approach. Unesco, 1979.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.