Iftanti, E., U. Zahroh, and M. Musrikah. “CORRELATION AMONG SEMANTIC, SYNTACTIC, PRAGMATIC, AND COGNITIVE BARRIERS TOWARDS ACCURACY GEOMETRY PROOFS”. English Review: Journal of English Education, Vol. 10, no. 1, Dec. 2021, pp. 309-22, doi:10.25134/erjee.v10i1.5711.