Al-Masoodi, O., Said Gulam Khan, H., Baharuddin, I. and Ismail, I. (2022) “In-vitro Comparison of Antibacterial Activities on Stingless Bee Propolis using Selected Extraction Methods”, Compendium of Oral Science, 9(2), pp. 23–43. doi: 10.24191/cos.v9i2.19230.