Asaruddin, M. R., S. Ezekiel, M. F. Ariffeen, and M. A. Affan. “Synthesis and Spectral Characterization of 4-Hydroxy-3- Methoxybenzaldehyde Derivatives”. Borneo Journal of Resource Science and Technology, Vol. 5, no. 1, 1, pp. 43-48, doi:10.33736/bjrst.283.2015.