Jefriadi. Error Analysis towards Scientific Paper’s Abstract Written by the Second Period of Graduation of Social Sciences and Political Students of University of Riau Kepulauan in 2019/2020 Academic Year. ICOLP [Internet]. 2022 Dec. 31 [cited 2024 Nov. 21];2(1):152-6. Available from: https://proceeding-icolp.fbs.unp.ac.id/index.php/icolp/article/view/83