Alqurashi, N. .K (2026) “Efficient Uptake of Basic Blue 41 by Alginate-Based Hydrogel Beads Loaded with KOH-Activated Walnut Shell Carbon: Equilibrium Modeling and Error Function Analysis”, International Journal of Pharmacognosy and Chemistry. India, 7(2), pp. 93-105. doi: 10.46796/ijpc.v7i2.971.