Ketkeaw, B. (1972). A proposed student personnel program for Nakhon Sawan Teachers' College, Thailand. [s.n.].
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKetkeaw, Bira. A Proposed Student Personnel Program for Nakhon Sawan Teachers' College, Thailand. Quezon City: [s.n.], 1972.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKetkeaw, Bira. A Proposed Student Personnel Program for Nakhon Sawan Teachers' College, Thailand. [s.n.], 1972.
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