Noor, E., N. Kamaruzaman, N. Jeffri, N. Eezammudden, and N. Noh. “Periodontal Referral Pattern in Periodontal Specialist Clinic in Faculty of Dentistry, Universiti Teknologi MARA (UiTM): A Retrospective Pilot Study”. Compendium of Oral Science, vol. 5, Sept. 2018, pp. 37-45, doi:10.24191/cos.v5i0.17506.