Veljanoska Sarafiloska, Elizabeta. “ASSESSMENT OF TROPHIC STATUS AND WATER QUALITY IN THE LITTORAL AND PELAGIC ZONES OF LAKE OHRID BASED ON PHYSICO-CHEMICAL PARAMETERS”. KNOWLEDGE - International Journal , vol. 78, no. 3, Oct. 2026, pp. 313-20, https://ojs.ikm.mk/index.php/kij/article/view/8601.