TY - BOOK AU - CHEPKONGA, HELLEN TI - INFLUENCE OF PLAY MATERIALS ON ACQUISITION OF MATHEMATICS SKILLS BY PRE SCHOOL LEARNERS IN BARINGO CENTRAL SUB COUNTY, BARINGO VOUNTY, KENYAY AV - THE QA 135.6 .C494 2020 PY - 2020/// CY - KISII PB - KISII UNIVERSITY N1 - INCLUDES REFERENCES ER -