APA (7 वां संस्करण) प्रशस्ति पत्र

Rola, A. (1999). Philippine crop protection policy: Implications for food safety and farm profitability in the vegetable sector. Institute of Strategic Planning & Policy Studies, College of Public Affairs, University of the Philippines Los Banos.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Rola, A.C. Philippine Crop Protection Policy: Implications for Food Safety and Farm Profitability in the Vegetable Sector. College, Laguna: Institute of Strategic Planning & Policy Studies, College of Public Affairs, University of the Philippines Los Banos, 1999.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Rola, A.C. Philippine Crop Protection Policy: Implications for Food Safety and Farm Profitability in the Vegetable Sector. Institute of Strategic Planning & Policy Studies, College of Public Affairs, University of the Philippines Los Banos, 1999.

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