Masebo,Agrey Mastery of Basic Mathematical Concepts Among Secondary School Teachers and students in Mbeya Region Tanzania / Agrey Masebo - Dar es salaam: The Open University of Tanzania, 2018 - xiv,97p.: ill.; 30cm Includes Bibliographical References and Index Subjects--Topical Terms: --Basic Mathematics--Mathematical Concepts--Secondary Schools Teachers Dewey Class. No.: EA DIS 372.709678 MAS