Rasyidi, M. “CONTEXTUAL TEACHING AND LEARNING (CTL) APPROACHES ON THE CRITICAL THINKING ABILITY OF STUDENTS IN THE VII CLASS ENVIRONMENTAL POLLUTION MATERIAL At MTs USWATUN HASANAH ACADEMIC YEAR 2018/2019”. NUSRA : Jurnal Penelitian Dan Ilmu Pendidikan, vol. 1, no. 1, May 2020, pp. 40-47, doi:10.55681/nusra.v1i1.6.