Dyfyniad APA

Opel, A., Zaman, S. S., Khanom, F., Aboud, F. E., & Institute of Education Development, B. U. (2016). Evaluation of a mathematics program for preprimary children in rural Bangladesh. © 2012 Elsevier Ltd.

Dyfyniad Arddull Chicago

Opel, Aftab, Syeda Sazia Zaman, Ferdousi Khanom, Frances E. Aboud, and BRAC University Institute of Education Development. Evaluation of a Mathematics Program for Preprimary Children in Rural Bangladesh. © 2012 Elsevier Ltd, 2016.

Dyfyniad MLA

Opel, Aftab, et al. Evaluation of a Mathematics Program for Preprimary Children in Rural Bangladesh. © 2012 Elsevier Ltd, 2016.

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