el - sherbini, a. f., & hassouna, w. a. (1969). the role of institutes of public health in national health planning. the institute of national planning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रel - sherbini, ahmed f., और w. a. hassouna. The Role of Institutes of Public Health in National Health Planning. cairo: the institute of national planning, 1969.
एमएलए (9वां संस्करण) प्रशस्ति पत्रel - sherbini, ahmed f., और w. a. hassouna. The Role of Institutes of Public Health in National Health Planning. the institute of national planning, 1969.