Sering, T. A. (1976). Population education knowledge of the elementary school teachers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSering, Tomasita Arreza. Population Education Knowledge of the Elementary School Teachers. 1976.
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