Narwanti, Iin, and Fahmi Humaidi Abdillah. “Synthesis of 4-Hydroxycinnamic Acid from Malonic Acid and 4-Hydroxybenzaldehyde As Starting Materials With the Variation of the Reflux Time”. Borneo Journal of Pharmacy, vol. 9, no. 1, Mar. 2026, pp. 60-70, doi:10.33084/bjop.v9i1.9356.