D, I., R, E. and J, O.E. 2017. GENDER DIFFERENCE IN ACHIEVEMENT AND INTEREST OF STUDENTS EXPOSED TO CONCEPTS IN BLOCKLAYING, BRICKLAYING AND CONCRETING USING VIDEOTAPED AND TEXT-BASED COMPUTER ASSISTED INSTRUCTION. AU eJournal of Interdisciplinary Research (ISSN: 2408-1906). 2, 2 (Jul. 2017).