PERANCANGAN APLIKASI E-KONTRAK BERBASIS WEB DI PT. JASAMARGA (PERSERO) TBK. J. Green. Construction [Internet]. 2023 Sep. 30 [cited 2026 Aug. 26];4(2):45-52. Available from: https://ojs.sttpu.ac.id/index.php/greenconstruction/article/view/46