Supriyono, S., Yusuf, M. and Rafiq, A. 2017. DESIGN AND ROBOT ARM WITH PNEUMATIC DRIVE SYSTEM USING PLC. Jurnal Ecotipe (Electronic, Control, Telecommunication, Information, and Power Engineering). 4, 1 (Apr. 2017), 7-10. DOI:https://doi.org/10.33019/ecotipe.v4i1.12.