Udowong, Effiong Udowong, Abiam, Patrick Obere. Effect of Ethnomathematics-based Teaching Approach on Senior Secondary Students’ Achievement in Trigonometry. JCR [Internet]. 2025 Aug. 1 [cited 2025 Aug. 18];2(4):39-44. Available from: https://journalcurrentresearch.com/pub/jcr/article/view/44