“Penerapan Model Teams Games Tournament (TGT) Dengan Permainan Teka-Teki Silang (TTS) Terhadap Keterampilan Berpikir Kritis Peserta Didik”. Cakrawala: Jurnal Pendidikan, vol. 13, no. 2, Nov. 2019, pp. 1-11, https://doi.org/10.24905/cakrawala.v13i2.200.