Adamu, G. 2022. EFFECT OF ETHNO-MATHEMATICS AND CONVENTIONAL TEACHING APPROACHES ON STUDENTS’ ACHIEVEMENT, INTEREST AND RETENTION IN GEOMETRY IN SELECTED SECONDARY SCHOOLS IN MAKURDI METROPOLIS, BENUE STATE, NIGERIA. IJRDO -JOURNAL OF MATHEMATICS. 8, 4 (Apr. 2022), 1-10. DOI:https://doi.org/10.53555/m.v8i4.5031.