NEKOUEI, Shahram, and Farzin NEKOUEI. “DEVELOPMENT OF MULTIWALLED CARBON NANOTUBES BASED SOLID PHASE EXTRACTION FOR THE DETERMINATION OF TRACE LEVEL OF Mn(II) AND Sn(IV) IN RIVER WATER SAMPLES”. Studia Universitatis Babeș-Bolyai Chemia 60, no. 2 (June 30, 2015): 331–341. Accessed December 19, 2024. https://studia.reviste.ubbcluj.ro/index.php/chemia/article/view/8454.