Jetti H. Sinambela

The Effect of Discovery Learning Model on Students Mathematical Understanding Concepts Ability of Junior High School

Mulyono, Mulyono, Lamtiur Sinambela, 2018 .

The Difference of Mathematical Problem Solving Ability through the Scientific Approach and the Scientific Approach Assisted by Software Autograph

Jetti H. Sinambela, E. Elvis Napitupulu, Martua Manullang, 2018, American Journal of Educational Research.