MICHELLA BEATRIX. PENJADWALAN PROYEK MENGGUNAKAN METODE PERT (PROGRAM EVALUATION AND REVIEW TECHNIQUE) PADA PROYEK PEMBANGUNAN ELYON CHRISTIAN SCHOOL SURABAYA . ReTII, [S. l.], p. 469~472, 2019. Disponível em: https://journal.itny.ac.id/index.php/ReTII/article/view/1425. Acesso em: 19 apr. 2025.