Sanao Katkasame, Sornthep Tumwasorn, Bandhit Thanindratarn, & Somkiert Pasanpanich. (1996). Trend Analysis on Milk production Traits in the Dairy Farming Promotion Organization of Thailand. Agriculture and Natural Resources, 30(2), 211–219. Retrieved from https://li01.tci-thaijo.org/index.php/anres/article/view/241149