ArdiansyahP. “OLAR TORAGE ETHOD S NE UALITY ONTROL F AW ATERIAL EEDBACK”. JTI nternational ournal of ransportation and nfrastructure ISSN 2597-4769 ISSN 2597-4734, ol. 1, no. 2, Mar. 2018, pp. 52-56, doi:10.29138/ijti.v1i2.631.