Primary tracheary elements of the genus Oryza [microform]. - Worayos, Yupa 1940- (Quezon City Photoduplication Service. University of the Philippines Library, 1977)
Microfilmed with 8 other titles.
Thesis (Ph.D.)--University of the Philippines.
Originally published in [College, Laguna] 1972.
Keywords: Grasses; Rice