“Sistem Jaringan Drainase Di Fakultas Teknik Universitas Lancang Kuning Pekanbaru”. FLEKSIBEL: Jurnal Pengabdian Masyarakat 2, no. 2 (September 28, 2021): 63–68. Accessed December 1, 2025. http://journal.unilak.ac.id/index.php/Fleksibel/article/view/7132.