Armanto, M Edi, Mohd Zuhdi, Dedi Setiabudidaya, Ngudiantoro Ngudiantoro, Elisa Wildayana, Agus Hermawan, and Momon Sodik Imanudin. “Deciphering Spatial Variability and Kriging Mapping for Soil PH and Groundwater Levels”. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 11, no. 2 (October 1, 2022): 187–196. Accessed March 29, 2024. https://jlsuboptimal.unsri.ac.id/index.php/jlso/article/view/577.