Setiadsa, M. and Ernita, M. 2023. the the influence of online learning (Google Classroom based) toward student learning effectiveness on Economics subject at State Senior High School 1 Kampar Kiri Tengah: the influence of online learning (Google Classroom based) toward student learning effectiveness on Economics subject at State Senior High School 1 Kampar Kiri Tengah. Multiplier Effect : Jurnal Riset Mahasiwa Pendidikan Ekonomi. 1, 1 (Oct. 2023).