Maneekul, P., and C. Suwannapong. “ and advancements in mini-telemetry system for agricultural planning”. SAU JOURNAL OF SCIENCE & TECHNOLOGY, vol. 3, no. 2, Dec. 2017, pp. 53-66, https://ph01.tci-thaijo.org/index.php/saujournalst/article/view/172445.