“GROWTH AND STUDIES OF PURE AND PICRIC ACID -DOPED UREA SUCCINIC ACID SINGLE CRYSTALS”, IJFANS, vol. 11, no. 12, pp. 2892–2894, Jan. 2022, Accessed: Sep. 23, 2026. [Online]. Available: https://www.ijfans.org/index.php/Journal/article/view/13135