%0 Journal Article %T A chemical speciation study of selected heavy metals in aquatic bottom sediment samples from Mpenge stream, Musanze District, Rwanda %A Habinshuti Janvier %A Muhizi Th&eoneste %A Mukarunyana Brigitte %A Safari Jean Claude %A Sibomana Jean Bosco %J - %D 2019 %R 10.5897/AJEST2018.2527 %U https://academicjournals.org/journal/AJEST/article-abstract/CC4F59A62179