Soberano, J. D. (1957). The in-service training program: First national conference of government training officers. Philippine Journal of Public Administration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSoberano, Jose D. "The In-service Training Program: First National Conference of Government Training Officers." Philippine Journal of Public Administration 1957.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSoberano, Jose D. "The In-service Training Program: First National Conference of Government Training Officers." Philippine Journal of Public Administration, 1957.
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