TY - BOOK AU - Muthuri, Lawrence Kinyua TI - Assessment of seasonal and spatial heavy metal variations using water, plant and sediment in Nkubu urban watershed streams AV - THE TD 427 .M88 2017 PY - 2017/// CY - Chuka, Kenya PB - Chuka University KW - 1. Heavy metals---environmental aspects---Nkubu 2. Water---pollution ER -