Macharia, James Mwangi, Kimamo Githui, and Hannah Kang’ara. 2022. “INFLUENCE OF UTILIZATION OF IMPROVISED MATERIALS ON ACQUISITION OF NUMBER WORK SKILLS AMONG PRE-PRIMARY SCHOOL LEARNERS IN KIAMBU SUB-COUNTY, KIAMBU COUNTY, KENYA”. African Journal of Emerging Issues 4 (5), 43 - 56. https://ajoeijournals.org/sys/index.php/ajoei/article/view/288.