Wattanavichean, Koarakot, and Chana Lohasaptawee. “Laser Diode Applied for Distance Measurement”. Agriculture and Natural Resources 33, no. 3 (September 30, 1999): 386–396. accessed September 17, 2026. https://li01.tci-thaijo.org/index.php/anres/article/view/240458.