Baruti, Blerim, Ilirjan Malollari, Nushe Lajçi, Selver Hoda, Mensur Kelmendi, Ismet Muliqi, Milaim Sadiku, Sadri Ferati, and Azem Rexhaj. 2016. “Survey of the Impact from Different Factors on the Quality of Groundwater in Istog Region-Kosovo”. ANGLISTICUM. Journal of the Association-Institute for English Language and American Studies 2 (6):54-58. https://anglisticum.org.mk/index.php/IJLLIS/article/view/1256.