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1
Gabay sa pagsagip-lupa landscape approach to agricultural and rural development in Mt. Banahaw areas (LSARD-Banahaw)
Foilsithe / Cruthaithe 1998LEABHAR -
2
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3
Mang Ruben and Mang Jeremias permanent hillside farmers of Laguna
Foilsithe / Cruthaithe 1981Analytics