Osotsapar, Y. (1977). Morphological and physiological studies on Eleocharis dulcis (Burm. f.) Trin [microform]. Photoduplication Service, University of the Philippines Library.
Chicago-viite (17. p.)Osotsapar, Youngyuth. Morphological and Physiological Studies on Eleocharis Dulcis (Burm. F.) Trin [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
MLA-viite (9. p.)Osotsapar, Youngyuth. Morphological and Physiological Studies on Eleocharis Dulcis (Burm. F.) Trin [microform]. Photoduplication Service, University of the Philippines Library, 1977.
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