Manzi, Wellington Itai, Moeketsi Mosia, Boitumelo Moreeng, and Thomas Masvosve. 2021. “Grade 12 Learners’ Perceptions of Opportunities to Learn Imperfect Market Structures: Frances Baard District”. International Journal of Learning, Teaching and Educational Research 20 (9):255-71. http://www.ijlter.net/index.php/ijlter/article/view/34.