el - sherbini, a. f., & hassouna, w. a. (1969). the role of institutes of public health in national health planning. the institute of national planning.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিel - sherbini, ahmed f., এবং w. a. hassouna. The Role of Institutes of Public Health in National Health Planning. cairo: the institute of national planning, 1969.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিel - sherbini, ahmed f., এবং w. a. hassouna. The Role of Institutes of Public Health in National Health Planning. the institute of national planning, 1969.