RUTH, O.; NGASIKE, D. J.; CHEREKES, M. K. EFFECT OF TEACHER MOTIVATION ON IMPPLIMENTATION OF MATHEMATCS CURRICULUM IN PRE PRIMARY SCHOOLS IN CENTRAL DIVISION, TRANS-NZOIA COUNTY, KENYA. IJRDO- Journal of Educational Research, v. 6, n. 7, p. 01-07, 9 Jul. 2021.