Limpoka, Malinee, Samutra Sirivejapundu, Rungcharoen Kanchanomai, and Chatuporn Samitanant. “Study on Calcium Phosphorus and Magnesium Serum Levels in Dairy Cows”. Agriculture and Natural Resources 20, no. 1 (January 1, 1986): 58–63. accessed September 18, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/242463.