Riafinola, H., Lifitri, S., Ginting, M. and Budiana, B. 2019. Kajian Efektivitas Larutan Etsa NH4OH, FeCl3, dan CuCl2 pada Multilayar Rigid Printed Circuit Board. Journal of Applied Electrical Engineering. 3, 1 (Jun. 2019), 15-18. DOI:https://doi.org/10.30871/jaee.v3i1.1395.