Iqba MZ, Abbas Q, Shafiq M. TOXIC EFFECTS OF COPPER AND ZINC ON GERMINATION AND SEEDLING GROWTH OF SOME TREES. Pakistan Journal of Scientific & Industrial Research [Internet]. 2001 Dec. 24 [cited 2024 Nov. 22];44(6):351-5. Available from: http://v2.pjsir.org/index.php/biological-sciences/article/view/1972