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শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিPhilippine Council for Health Research & Development Conference:National Congress on Health Research and Development (4th : 1990 : Philippines). Proceedings of the 4th National Congress on Health Research and Development, Lung Center of the Philippines, 4th December 1990. Bicutan, Taguig, MM: Philippine Council for Health Research & Development, Department of Science and Technology, 1990.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিPhilippine Council for Health Research & Development Conference:National Congress on Health Research and Development (4th : 1990 : Philippines). Proceedings of the 4th National Congress on Health Research and Development, Lung Center of the Philippines, 4th December 1990. Philippine Council for Health Research & Development, Department of Science and Technology, 1990.