TY - GEN A2 - Nyokong,Tebello A2 - Tafesse, F. PB - Academic Journals L2 - http://www.jbc.bj.uj.edu.pl/Content/203964 KW - chemia KW - chemia stosowana KW - chemia teoretyczna T1 - African Journal of Pure and Applied Chemistry UR - http://www.jbc.bj.uj.edu.pl/dlibra/publication/edition/203964 ER -