©2013 National Research Council of Thailand
Montha Luangwattanavilai. 1992. An economic analysis on the optimum farm size for small scale production of Holstein-Friesian crossbred in Chiang Mai. Faculty of Graduate Studies, Mahidol University;
Montha Luangwattanavilai. (1992) An economic analysis on the optimum farm size for small scale production of Holstein-Friesian crossbred in Chiang Mai . Mahidol University/Bangkok.
Montha Luangwattanavilai. An economic analysis on the optimum farm size for small scale production of Holstein-Friesian crossbred in Chiang Mai. . Bangkok:Mahidol University, 1992.
Montha Luangwattanavilai. (1992) An economic analysis on the optimum farm size for small scale production of Holstein-Friesian crossbred in Chiang Mai . Mahidol University/Bangkok.