Lee, S. L., & Tan, E. C. (1998). A study of the overcrowded classrooms and its effect on students' achievements. Institut Teknologi Tun Hussein Onn.
Chicago Style (17. basım) AtıfLee, Soo Leng, ve Ee Chin Tan. A Study of the Overcrowded Classrooms and Its Effect on Students' Achievements. Batu Pahat: Institut Teknologi Tun Hussein Onn, 1998.
MLA (8th ed.) AtıfLee, Soo Leng, ve Ee Chin Tan. A Study of the Overcrowded Classrooms and Its Effect on Students' Achievements. Institut Teknologi Tun Hussein Onn, 1998.
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