Não informado. (2003). Journal of Computers in Mathematics and Science Teaching. Association for the Advancement of Computing in Education.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Journal of Computers in Mathematics and Science Teaching. Norfolk, Va: Association for the Advancement of Computing in Education, 2003.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Journal of Computers in Mathematics and Science Teaching. Association for the Advancement of Computing in Education, 2003.
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