N. Chulee, P. Suebsaiprom, A. Engkaninan, and C. Chompuchan, “Calibration and Temperature Compensation of a Low-Cost Capacitive Soil Moisture Sensor for Precision Irrigation in Thailand”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 2, pp. 21123–21128, Apr. 2025.