Preeyaphan Udomprasert, Thaveewat Tassanawat, and Thanasorn Thipayarak. “Development of a Computerized Recording System for Measuring the Production Efficiency in Small Dairy Holders I. Structure of the Computerized Recording System”. Agriculture and Natural Resources, vol. 28, no. 1, Mar. 1994, pp. 74-86, https://li01.tci-thaijo.org/index.php/anres/article/view/241378.