Handoko, H. “TA CALCULATION OF COST BUDGET PLAN AND SCHEDULE OF 3 FLOOR RUKO IN BALIKPAPAN CITY”. Jurnal Tugas Akhir Teknik Sipil, Vol. 3, no. 2, Sept. 2019, pp. 11 -20, https://ojs.poltekba.ac.id/ojs/index.php/jutateks/article/view/217.