KusumaA. (2022) “Comparison Analysis of Cost and Time Forming Conventional Method With Semi-System Method for Column Namira Hotel Surabaya”, IJTI International Journal of Transportation and Infrastructure eISSN 2597-4769 pISSN 2597-4734, 6(1), pp. 38-45. doi: 10.29138/ijti.v6i1.2076.