Cristobal, C. B. (1989). Instructional resource packages in Philippine government: Towards political socialization of Filipino youths.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रCristobal, Cristina B. Instructional Resource Packages in Philippine Government: Towards Political Socialization of Filipino Youths. 1989.
एमएलए (8वां संस्करण) प्रशस्ति पत्रCristobal, Cristina B. Instructional Resource Packages in Philippine Government: Towards Political Socialization of Filipino Youths. 1989.
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