SHANI, O.E. and NGURE , D.L. 2019. PRAXIS OF CONSTRUCTIVIST LEARNING THEORY ON LEARNERS ACHIEVEMENT IN SECONDARY SCHOOL SCIENCE SUBJECTS IN KENYA . IJRDO- Journal of Educational Research. 4, 4 (Apr. 2019), 75-82. DOI:https://doi.org/10.53555/er.v4i4.2744.