hassouna, w. a. (1970). basic economic concepts for health planners. the institute of national planning.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)hassouna, w. a. Basic Economic Concepts for Health Planners. cairo: the institute of national planning, 1970.
MLA -ийн эшлэл (9 дэх хэвлэлт)hassouna, w. a. Basic Economic Concepts for Health Planners. the institute of national planning, 1970.