Não informado. (1972). Forestry digest. University of the Philippines, College of Forestry, Department of Forestry.
Chicago-viite (17. p.)Não informado. Forestry Digest. Laguna, Filipinas: University of the Philippines, College of Forestry, Department of Forestry, 1972.
MLA-viite (8. p.)Não informado. Forestry Digest. University of the Philippines, College of Forestry, Department of Forestry, 1972.
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