Mapulanga, T. 2019. Investigating Factors Influencing Grade 9 and 12 Learner-Performance in Science – Views of School Administrators, Teachers, and Learners: The Case of Eastern Province, Zambia. World Journal of Vocational Education and Training. 1, 1 (May 2019), 20–30. DOI:https://doi.org/10.18488/journal.119.2019.11.20.30.