V. L , K., and O. O. I. “A COMPARATIVE STUDY OF GIRL’S PHYSICAL SCIENCE PERFORMANCE BETWEEN CO-EDUCATIONAL AND SINGLE SEX SCHOOLS IN SWAZILAND”. International Journal of Research -GRANTHAALAYAH, vol. 7, no. 1, Jan. 2019, pp. 373-82, doi:10.29121/granthaalayah.v7.i1.2019.1066.