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Sandra Falisa Hasibuan, Ika Sandra Dewi. Connection Study Motivation of Adolescents Who Have Broken Home with Students’ Learning Achievements in Junior High School in Class VII Students of State 1 Perbaungan Academic Year 2021/2022. IJERE [Internet]. 2022 Jun. 30 [cited 2024 Nov. 22];1(1):48-51. Available from: https://ejournal.ipinternasional.com/index.php/ijere/article/view/95