TY - BOOK AU - Cosmas, David. TI - Learner-centered approach in mathematics teaching and learning in Ta nzanian secondary schools: a case of secondary schools in Mvomero d istrict U1 - 373 23 PY - 2019/// CY - Kampala KW - Mathematics KW - Study and teaching KW - Tanzania KW - Education, Secondary N1 - Unpublished thesis (MED. CURR STUD.)- Makerere University, 2019; Includes bibliographical references ER -