Quillen, I. J., & Hanna, L. A. (1948). Education for social competence: Curriculum and instruction in secondary-school social studies. Scott, Foresman.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিQuillen, Isaac James, এবং Lavone Agnes Hanna. Education for Social Competence: Curriculum and Instruction in Secondary-school Social Studies. Chicago: Scott, Foresman, 1948.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিQuillen, Isaac James, এবং Lavone Agnes Hanna. Education for Social Competence: Curriculum and Instruction in Secondary-school Social Studies. Scott, Foresman, 1948.
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