Ninie Farahana Binti Kamarulzaman, Norafzan Binti Mohd Ranai, Anuar Bin Mohamed Kassim. Design and Analysis of Proximal Soil Sensing System Based on Electrochemical ISE Sensor for Total Nitrogen and Potassium Fertility Assessment. JIPIRS [Internet]. 2023 Sep. 4 [cited 2024 Dec. 21];3(05):1-9. Available from: https://journal.hmjournals.com/index.php/JIPIRS/article/view/2681