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Lua i Stíl Chicago (17ú heag.)Saz, Efren B. A Comprehensive Assessment of the Agricultural Extension System in the Philippines: Case Study of the LGU Extension in Ubay, Bohol. Makati City: Philippine Institute for Development Studies, 2007.
Lua MLA (9ú heag.)Saz, Efren B. A Comprehensive Assessment of the Agricultural Extension System in the Philippines: Case Study of the LGU Extension in Ubay, Bohol. Philippine Institute for Development Studies, 2007.
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