Rooswita Santia Dewi, Dwi Nur Rachmah, Faridya Khairina Ekaputri, and Meydisa Utami Tanau. 2021. “Effectiveness of Student – Centered Learning to Increase Learning Motivation of Students in Inventory Assessment Class”. Researchers World - International Refereed Social Sciences Journal 10 (2):14-18. https://researchersworld.com/index.php/rworld/article/view/47.