Nandiasa, Jantiara, and Ridwan Sanjaya. 2020. “valuation of rainage hannels on abuaran oad ibinong istrict of ogor egency”. JTI nternational ournal of ransportation and nfrastructure ISSN 2597-4769 ISSN 2597-4734 4 (1), 22 - 35. https://doi.org/10.29138/ijti.v4i1.1162.