Usboko, Gregorius Paus, Godelfridus Seran, and Agustinus H. Pattiraja. “Penerapan Value Engineering Pada Elemen Bangunan Gedung (Tangga) Balai Latihan Kerja UPTP Kupang”. Innovative: Journal Of Social Science Research 4, no. 1 (February 12, 2024): 9628–9647. Accessed May 11, 2026. https://j-innovative.org/index.php/Innovative/article/view/8865.