Mathematics for elementary school (Study with your friends). Gakkotosho Ltd.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMathematics for Elementary School (Study with Your Friends). Tokyo: Gakkotosho Ltd.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMathematics for Elementary School (Study with Your Friends). Gakkotosho Ltd.
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