sedarta, sedarta, Tengku Tibri Tibri, and Eka Onwardana. “ESTIMASI SEBARAN KARAKTERISTIK ENDAPAN SIRTU BERDASARKAN MODEL DARI VARIOGRAM ELEVASINYA”. Jurnal Sains dan Teknologi ISTP 22, no. 02 (January 31, 2025): 191–200. Accessed February 7, 2026. https://istp.ac.id.202-10-43-25.cpanel.site/index.php/jsti/article/view/472.