Achmad Ridwan et al. 2017. Integration Of A Socio-Critical and Problemoriented Approach in Chemistry Learning for Students’ Soft Skills Development. MIER Journal of Educational Studies Trends and Practices. 7, 1 (May 2017), 33–41. DOI:https://doi.org/10.52634/mier/2017/v7/i1/1443.