Dimabuyu, M. P. Y. (2001). Effects of cooperative learning on mathematics problem solving ability and attitudes of high school freshmen.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDimabuyu, Ma. Portia Y. Effects of Cooperative Learning on Mathematics Problem Solving Ability and Attitudes of High School Freshmen. 2001.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDimabuyu, Ma. Portia Y. Effects of Cooperative Learning on Mathematics Problem Solving Ability and Attitudes of High School Freshmen. 2001.
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