Amar TIK, Astuti FF, Wulandari VT. RETRACTED: Construction Schedule Management for Densely Populated Areas Using CPM-Crashing. U Karst [Internet]. 2023 Nov. 30 [cited 2024 Dec. 22];7(2):202-16. Available from: https://ojs.unik-kediri.ac.id/index.php/ukarst/article/view/4815