APA (7 वां संस्करण) प्रशस्ति पत्र

Chang, R. D. (1990). Supplementary tutoring in mathematical learning in Filipinized-Chinese primary schools.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Chang, Rita Dy. Supplementary Tutoring in Mathematical Learning in Filipinized-Chinese Primary Schools. 1990.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Chang, Rita Dy. Supplementary Tutoring in Mathematical Learning in Filipinized-Chinese Primary Schools. 1990.

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