TY - BOOK AU - NYAMBO, Losina TI - The role of headteachers as internal instruction supervisors of pupils' academic performance in Tanzania AV - DIS LB 2822.6 .N93 2017 PY - 2017/// CY - Dodoma PB - The University of Dodoma KW - Primary schools supervision KW - Academic performance - Tanzania N1 - Includes references ER -