Akinlua, A. A., & Opeola, S. M. (2014). Comparison of the Effectiveness of Programmed Instruction and Textbook Instruction in Learning Secondary School Mathematics. Obafemi Awolowo University.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিAkinlua, Akin Akinsola, এবং S. M. Opeola. Comparison of the Effectiveness of Programmed Instruction and Textbook Instruction in Learning Secondary School Mathematics. Obafemi Awolowo University, 2014.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিAkinlua, Akin Akinsola, এবং S. M. Opeola. Comparison of the Effectiveness of Programmed Instruction and Textbook Instruction in Learning Secondary School Mathematics. Obafemi Awolowo University, 2014.
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