Feasibility test of whiteboard animation based learning multimedia on work and energy material
Panggabean, Deo Demonta, Sinuraya, Jurubahasa, Harahap, Mukti Hamjah, Goni, Febriani Putri Keren
Optimization of Red Sand Particle Size and Composition in Mixture with Ordinary Sand to Enhance Concrete Quality
Harahap, Mukti Hamjah, Ritonga, Winsyahputra, Irfandi, Irfandi, Zubir, Moondra