Rusilowati, Anisa Sholihah, Ani. “Dampak Strategi Problem Posing Terhadap Critical Literacy Siswa SLB”. Phenomenon : Jurnal Pendidikan MIPA, vol. 7, no. 1, July 2017, pp. 22-29, doi:10.21580/phen.2017.7.1.1491.