Astutik, R.P. et al. 2020. Automatic Spray Pump of Hand Sanitizer Tool for Helping Aisyiah Clinic GKB. Kontribusia : Research Dissemination for Community Development. 4, 1 (Dec. 2020), 351–355. DOI:https://doi.org/10.30587/kontribusia.v4i1.1563.