Yabes, S. I. (1977). Ipil-ipil: The wonder tree. Philippine Council for Agriculture and Resources Research.
Chicago-viite (17. p.)Yabes, Salvador I. Ipil-ipil: The Wonder Tree. Los Banos, Laguna: Philippine Council for Agriculture and Resources Research, 1977.
MLA-viite (9. p.)Yabes, Salvador I. Ipil-ipil: The Wonder Tree. Philippine Council for Agriculture and Resources Research, 1977.
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