hassouna, w. a. (1970). basic economic concepts for health planners. the institute of national planning.
Chicago-čujuhus (17. p.)hassouna, w. a. Basic Economic Concepts for Health Planners. cairo: the institute of national planning, 1970.
MLA-čujuhus (9. p.)hassouna, w. a. Basic Economic Concepts for Health Planners. the institute of national planning, 1970.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.