TY - BOOK AU - Mulwafu, Lwitiko TI - How good is Openstreetmap ? a comparative study of openstreetmap and malawi survey data sets: case study of lilongwe city SN - 004142 PY - 2014/// CY - Luwinga, Mzuzu PB - Mzuzu University, KW - openstreetmap N1 - includes references ER -