Gofur, Nanda Rachmad Putra, Aisyah Rachmadani Putri Gofur, Rizki Nur Rachman Putra Gofur, Mega Kahdina, Hernalia Martadila Putri, and Soesilaningtyas . 2021. “Decrease of Salivary Melatonin Level in Periodontal Disease: A Review Article”. Journal of Medical Research and Health Sciences 4 (3):1192-98. https://doi.org/10.15520/jmrhs.v4i3.318.