TY - BOOK AU - Cosmas, Juhudi TI - Challenges facing primary school heads in managing pre-primary school units subsumed within established primary school structures in Tanzania: a case of Chamwino district,Dodoma region AV - DIS LB 2822.6 .C67 2010 PY - 2010/// CY - Dodoma PB - The University od Dodoma KW - Early childhood admistration. Early school supervision N1 - Includes references ER -