Calendacion, A. N. (1979). Effectiveness of S1 and bi-parental progeny selections in improving downy mildew resistance and grain yield of corn [microform]. Photoduplication Service. University of the Philippines Library.
Chicago Style (17th ed.) CitationCalendacion, Alfredo N. Effectiveness of S1 and Bi-parental Progeny Selections in Improving Downy Mildew Resistance and Grain Yield of Corn [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1979.
MLA (9th ed.) CitationCalendacion, Alfredo N. Effectiveness of S1 and Bi-parental Progeny Selections in Improving Downy Mildew Resistance and Grain Yield of Corn [microform]. Photoduplication Service. University of the Philippines Library, 1979.
Warning: These citations may not always be 100% accurate.