Ponce, D. M. (1978). The supervised farming program of Central Luzon State University Barrio Development Schools. s.n.
Chicago Style (17th ed.) CitationPonce, Deogracias M. The Supervised Farming Program of Central Luzon State University Barrio Development Schools. s.l: s.n, 1978.
ציטוט MLAPonce, Deogracias M. The Supervised Farming Program of Central Luzon State University Barrio Development Schools. s.n, 1978.
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