Azzumardi , I. A. ., Y. . Budisusanto, and Y. . Yuwono. “nalisis nterval arak rofil elintang erhadap erhitungan olume ada alan urus an alan erkelok”. EOID, vol. 18, no. 1, Oct. 2022, pp. 124-35, doi:10.12962/geoid.v18i1.1761.