Sinaga, B., Harahap, M., Sinambela, P.N., & Sinaga, L. (2016). The Development of Mathematics Instructional and Authentic Assessment Model Based on Curriculum 2013 to Improve the Attitude Quality, Creative Thinking Ability and Mathematics Connections of High School Students. Proceeding AISTEEL The First Annual International Seminar on Transformative Education and Educational Leadership, 266-274.