Situmorang AT, Fipiana WI, Agustina ID. Analysis Of Delay Factors In The Tanjung Semarang Flat Construction Project Using The Schedule Performance Index. ISIHUMOR [Internet]. 2026 Sep. 29 [cited 2026 Oct. 3];4(4):1499-515. Available from: https://www.putrapublisher.org/index.php/isihumor/article/view/2479