Handayani, F.T., Widyaningsih, P.N. and Arjadi, F. 2021. EFFECT OF DIFFERENT TYPES OF SLEEP DEPRIVATION AND SLEEP RECOVERY ON SALIVARY PH. Journal of Vocational Health Studies. 4, 3 (Mar. 2021), 95–99. DOI:https://doi.org/10.20473/jvhs.V4.I3.2021.95-99.