Kunawi, D. A., Hadi, S. . and Fitria Ulfah, S. . (2024) “The Relationship Between Tooth Brushing Methods and Gum Bleeding Among the Elderly at Posyandu Lansia in Surabaya ”, International Journal of Advanced Health Science and Technology, 4(4), pp. 257 –. doi: 10.35882/ijahst.v4i4.380.