“MATHEMATICAL COMMUNICATION ABILITY AND DISPOSITION: (EXPERIMENT WITH GRADE-11 STUDENTS USING CONTEXTUAL TEACHING WITH COMPUTER ASSISSTED)”. Jurnal Pengajaran Matematika Dan Ilmu Pengetahuan Alam, vol. 17, no. 2, Oct. 2012, pp. 142-56, https://doi.org/10.18269/jpmipa.v17i2.36069.