Sehole, L.; Sekao, D.; Mokotjo, L. Mathematics Conceptual Errors in the Learning of a Linear Function- a Case of a Technical and Vocational Education and Training College in South Africa. J. indep. teach. learn. (Online) 2023, 18 (1), 81-97. https://doi.org/10.17159/ijtl.v18i1.17173.