Khairudin, M., and R. Ridho. “PENGEMBANGAN SISTEM KENDALI OTOMATIS PROSES RECHARGING TINTA SPIDOL WHITEBOARD”. JURNAL TEKNOLOGI TECHNOSCIENTIA, vol. 8, no. 1, Aug. 2015, pp. 39-46, doi:10.34151/technoscientia.v8i1.188.