(1)
Pangaribuan, B. W.; Purba, N.; Siahaan, K. W. A.; Sidabutar, E. F.; Sihombing, V. T.; Simamora, D. F.; Matondang, J. R. The Implementation of Demonstration Method to Increase Learning Outcome in Natural Science Lessons. J. Obs. J. Pendidik. Anak Usia Dini 2022, 6, 3680-3692.