RHOMA PUTRA, B. H.; ALWINDA, Y.; AKA YOGIE, M. R. NATIONAL ROAD PRESERVATION BASED ON IRMS METHOD (A CASE STUDY IN JAPURA – PEMATANG REBA IN RIAU PROVINCE). Jurnal Pensil : Pendidikan Teknik Sipil, v. 11, n. 2, p. 120 - 130, 20 May 2022.