“INNOVATIVE APPROACHES TO CREATING A HEAT-STABLE JELLY FILLING WITH PECTIN”, ПТТХВРГТ, no. 2 (38), pp. 40–52, Dec. 2025, Accessed: Apr. 10, 2026. [Online]. Available: http://pttfpecbt.btu.kharkiv.ua/pttfpecbt/article/view/205