Widana, I. W.; Parwata, I. M. Y.; Parmithi, N. N.; Jayantika, I. G. A. T.; Sukendra, K.; Sumandya, I. W. Higher Order Thinking Skills Assessment towards Critical Thinking on Mathematics Lesson. Int. J. of Soc. Sci. and Humanit. 2018, 2, 24-32.