., N. P. A. P. S., D. K. P. ., and I. W. W. S. M. . “Pengaruh Metode Six Thinking Hats Berbantuan LKS Open-Ended Terhadap Hasil Belajar Kovariabel Keterampilan Berpikir Kritis”. MIMBAR PGSD Undiksha, vol. 2, no. 1, Aug. 2014, doi:10.23887/jjpgsd.v2i1.3949.