Mufizarni, and Elfi Zahara. “City Relationship Of Smokers Knowledge With Dental Stain In Community In Gampong Lam Raya Aceh Besar District”. DHeJA: Dental Health Journal of Aceh, vol. 1, no. 2, Sept. 2022, pp. 25-29, doi:10.30867/dheja.v1i2.114.