Baazi Houria, Nemili Zohra, Necer AbdeLdjabar, Saoudi Messaoud. GROUNDWATER POLLUTION SOURCE USING PRINCIPAL COMPONENT ANALYSIS IN GUELMA PLAIN, NORTHEAST ALGERIA. IJITSS [Internet]. 2024Sep.29 [cited 2025Feb.5];(3(43). Available from: https://rsglobal.pl/index.php/ijitss/article/view/2883