Taiwo Omorinola Oladipo-Abodunwa, Joshua Oluwatoyin Adeleke (PhD) and Musa Adekunle Ayanwale (PhD) 2019. Student mathematics engagement: development and validation of a measurement instrument. The African Journal of Behavioural and Scale Development Research. 1, 2 (Aug. 2019). DOI:https://doi.org/10.58579/AJB-SDR/1.2.2019.17.