hassouna, w. a. (1970). basic economic concepts for health planners. the institute of national planning.
Chicago (17e ed.) Bronvermeldinghassouna, w. a. Basic Economic Concepts for Health Planners. cairo: the institute of national planning, 1970.
MLA (9e ed.) Bronvermeldinghassouna, w. a. Basic Economic Concepts for Health Planners. the institute of national planning, 1970.