Choong, S. H., Foo, K. K., Tang, H. J. and Lai, M. L. (2025) “Effectiveness of Abacus Hoop© Prototype on Primary School Students’ Mathematics Achievement”, Environment-Behaviour Proceedings Journal, 10(SI43), pp. 3–8. doi: 10.21834/e-bpj.v10iSI43.7719.