S. BOUCHELAGHEM, S. MOUISSI, C. BENZERAA, and R. KHALFOUN, “STUDY OF PHYSICOCHEMICAL AND MICROBIOLOGICAL QUALITY OF THE SPRING WATERS OF THE REGION OF OUM TEBOUL WILAYA OF EL TARF- ALGERIA”, JESR, vol. 26, no. 3, pp. 52-57, Jul. 2020.