De La Cruz, D. S. (2000). Integration of Environmental Education for Sustainable Agriculture: Status in Tertiary Institutions and Guidelines for Institutional Policies and Curriculum Management.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रDe La Cruz, Dina S. Integration of Environmental Education for Sustainable Agriculture: Status in Tertiary Institutions and Guidelines for Institutional Policies and Curriculum Management. 2000.
एमएलए (9वां संस्करण) प्रशस्ति पत्रDe La Cruz, Dina S. Integration of Environmental Education for Sustainable Agriculture: Status in Tertiary Institutions and Guidelines for Institutional Policies and Curriculum Management. 2000.
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