Suman, S. N., R. Anwar, N. N. Awang, and S. Ayob. “Composition of Various Percentages of Terracotta Clay As Colourant Glaze”. Environment-Behaviour Proceedings Journal, vol. 8, no. SI16, Nov. 2023, pp. 99-104, doi:10.21834/e-bpj.v8iSI16.5228.