TY - BOOK AU - Merchant,Joe Boniface Mtandika TI - Investigation of teachers' problem solving approach competences in teaching mathematics at the ordinary level of secondary schools in Tanzania: : a survey of selected secondary schools in Tabora region SN - THS EAF LB2365.M3.T34M78 KW - Problem solving KW - Mathematics KW - Education KW - Tabora region N1 - Includes bibliography ER -