Saheri, S., Supardi, K. and Haryani, S. 2017. Pengembangan Instrumen Penilaian Keterampilan Berpikir Kritis Siswa SMA Melalui Model Pembelajaran Berbasis Masalah Materi Larutan Penyangga. Journal of Innovative Science Education. 6, 1 (Aug. 2017), 40-48. DOI:https://doi.org/10.15294/jise.v6i1.17047.