“Scheduling Analysis of Oil Tank Maintenance Project System Coil Heater Pipe Factory Using CPM Method (Critical Path Method) and PERT (Project Evaluation and Review Technique)”. INVEST : Jurnal Inovasi Bisnis dan Akuntansi, vol. 5, no. 1, April 2024, hlm. 102-7, https://doi.org/10.55583/invest.v5i1.634.