N. . Isnaini and A. F. H. . . Prajitno, “Time Cost Trade Off (TCTO) Analysis by Considering Overtime Working Hours, and Labor Factors on the Outer East Ring Road (OERR) Surabaya Project (STA 0+000 – STA 5+875)”, JTSMI, vol. 5, no. 2, pp. A254 - A260, Jul. 2023.