B. D. H. Azmi, N. I. Handajani, and I. G. M. R. G. Ranuh, “Clinical Profile of Drooling in Cerebral Palsy Patients at Physical Medicine and Rehabilitation Department Dr. Soetomo General Hospital Surabaya Period January 1st, 2016 – December 31st, 2017”, JUXTA, vol. 11, no. 2, pp. 56–60, Aug. 2020.