Rangsungnoen, T. (2020) “APPLICATION OF THE ELECTRICAL RESISTIVITY DETERMINATION OF GROUND LAYER FOR THE GROUNDWATER SOURCES PREDICTION”, PSRU Journal of Science and Technology. Phitsanulok, Thailand, 5(3), pp. 37–50. available at: https://ph01.tci-thaijo.org/index.php/Scipsru/article/view/239971 (accessed: 10 December 2025).