Items where Author is "Sitepu, Rianta Ananta"

Sitepu, Rianta Ananta and Siagian, Pargaulan and landong, Ahmad (2019) Development of Teaching Materials Based on Guided Discovery Learning Methods to Increase Mathematical Problem Solving Ability. In: Proceedings of The 4th Annual International Seminar on Transformative Education and Educational Leadership (AISTEEL), 23 – 24 September 2019, Garuda Plaza Hotel, Medan,.