Rismalyah Manalu

The Enhancement Difference of Student Mathematical Problem Solving Ability between Guided Discovery Learning Model and Direct Learning Model

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

Takin as Indigenous based Experiment Activity Topic in Mathematics and Physics

Risma Uly Manalu, Ngia Masta, N. Masta, 2021 .

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.

The Development of Student Worksheet Based on Problem Based Learning Approach on Matrices Topics

C. Ditasona, Rismalyah Manalu, Aneliana Aneliana, 2022, Brillo Journal.