ranokphanuwat, ratthaslip. “Cloud-Based Service System for Automatic Plant Monitoring and Watering Based on Soil Moisture”. JOURNAL OF INFORMATION SCIENCE AND TECHNOLOGY 8, no. 2 (December 25, 2018): 65-73. Accessed July 17, 2019. https://www.tci-thaijo.org/index.php/JIST/article/view/156102.