TY - BOOK ED - Department of Chemical and Process Engineering University of Dar es Salaam TI - Chemical and process engineering for development: a challenge for the 21st Century AV - QTO TP155.D37C493 PY - 1990/// CY - Dar es Salaam PB - University of Dar es Salaam KW - Chemical engineering KW - Periodicals KW - Technology KW - Chemical Processing ER -