Agwanyi, Joseph. Effects of birth order on children's performance in Mathematics : a case study of Nnabbaale Sub-County, Mukono District / Joseph A gwanyi. - Kampala, 2003. - ix, 26p. : tabs ; 30cm. Dissertation (B. Ed., Ext.) - Makerere University, 2003. Includes bibliographical references (p.21-22). Subjects--Topical Terms: Birth order.--Study and teaching.------Mathematics --Study and teaching.------ Dewey Class. No.: U 306.87 AGW