Rataya Yanaphan. 2008. Manganese efficiency in Thai rice genotypes. Field of Study Agronomy, Chiang Mai University;
Rataya Yanaphan. (2008) Manganese efficiency in Thai rice genotypes . Chiang Mai University/Chiang Mai.
Rataya Yanaphan. Manganese efficiency in Thai rice genotypes. . Chiang Mai:Chiang Mai University, 2008.
Rataya Yanaphan. (2008) Manganese efficiency in Thai rice genotypes . Chiang Mai University/Chiang Mai.