TY - BOOK AU - Ayoko,Jennifer TI - School environment, learners' sex and teachers' effectiveness as cau ses of differential academic performance at "O" level UNEB Examinations among selected schools in Kumi District / U1 - U 370.158 AYO PY - 2001/// CY - Kampala, PB - KW - School environment KW - Kumi District KW - Effective teaching N1 - Dissertation (B. Ed., Ext.) - Makerere University, 2001; Includes bibliographical references (p.47-48) ER -