R, Rahmat, Nurhasana Nurhasana, and Yetti Rahmawati. 2021. “escription of isk actors of tunting vents in oddler ge -9 onths”. ancasakti ournal f ublic ealth cience nd esearch 1 (2), 111-15. https://doi.org/10.47650/pjphsr.v1i2.259.