TY - BOOK AU - AU - TI - Principles and practices of problems based learning: problems based learning SN - 9966854398 AV - LB1027.N43 2006 PY - 2006/// CY - Nairobi, Kenya. PB - Amref and Moi University press KW - problems based learning N1 - previously published in 2006; includes bibliographical reference and index UR - Uniform resource identifier ER -