Mariano Marcos State University. Cotton Research and Development Institute. (1979). Annual technical report: Crop year 1978-1979-. The Institute.
Chicago-viite (17. p.)Mariano Marcos State University. Cotton Research and Development Institute. Annual Technical Report: Crop Year 1978-1979-. Batac, Ilocos Norte: The Institute, 1979.
MLA-viite (9. p.)Mariano Marcos State University. Cotton Research and Development Institute. Annual Technical Report: Crop Year 1978-1979-. The Institute, 1979.
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