POP, I. N. ., C. . BACIU, N. . BICAN-BRIȘAN, O.-L. M. MUNTEAN, D. . COSTIN, and G. C. . ROGOZAN. “EVALUATING ATTITUDES AND BEHAVIOR TOWARDS SELECTIVE COLLECTION OF WASTE IN CLUJ-NAPOCA CITY, ROMANIA”. Studia Universitatis Babeș-Bolyai Ambientum, vol. 60, no. 1-2, Dec. 2015, pp. 87-101, http://193.231.18.162/index.php/subbambientum/article/view/4336.