Riri Marfilinda, Oca Aprilia, Alfroki Martha, Sisri Wahyuni, and Romi Kurniawan. “The Effect of the 9E Learning Cycle Model on Science Learning Outcomes: A Quasi-Experimental Study in Fourth-Grade Elementary School”. Berkala Ilmiah Pendidikan, Vol. 6, no. 3, Oct. 2026, pp. 281-99, doi:10.51214/bip.v6i3.2386.