Chukwunenye Joy Nkiruka, Nwokocha, Cecily O. Web-based interactive problem-solving tutorial as a tool for conceptual change among physics students. AJB-SDR [Internet]. 2020 Feb. 1 [cited 2024 Oct. 8];2(1). Available from: https://ojs.abreap.org/index.php/journal/article/view/45