David, C. C. (2007). The Philippine hybrid rice program: A case for redesign and scaling down. Philippine Institute for Development Studies.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিDavid, Cristina C. The Philippine Hybrid Rice Program: A Case for Redesign and Scaling Down. Makati City: Philippine Institute for Development Studies, 2007.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিDavid, Cristina C. The Philippine Hybrid Rice Program: A Case for Redesign and Scaling Down. Philippine Institute for Development Studies, 2007.
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