Galaxy, R., H. Purnomo, Rizqi Prastowo, and Hidayatullah Shidiq. “Resource Estimation Method Comparison Using Inverse Distance Weighting Nearest Neighbour Point and Ordinary Kriging at Block X”. ReTII, Nov. 2022, pp. 70-76, //journal.itny.ac.id/index.php/ReTII/article/view/3373.