Suryaman, N. N. “MANAGEMENT AND MANUFACTURE OF BOTTLE WASTE WASHING MACHINE FOR PRODUCTION FACILITIES OF SME’S FOR RECYCLING PLASTIC WASTE PROCESSING IN LANGSA CITY”. Jurnal Ilmiah Teknologi Infomasi Terapan, vol. 8, no. 1, Dec. 2021, pp. 137-44, doi:10.33197/jitter.vol8.iss1.2021.734.