hassouna, w. a. (1970). basic economic concepts for health planners. the institute of national planning.
Citazione stile Chigago Style (17a edizione)hassouna, w. a. Basic Economic Concepts for Health Planners. cairo: the institute of national planning, 1970.
Citatione MLA (9a ed.)hassouna, w. a. Basic Economic Concepts for Health Planners. the institute of national planning, 1970.