Padriyansyah P, Rachmat RA, Pratiwi TS. Sales Volume, Operating Cost and its Effect on Profitability (Study on Listed Companies in The Indonesia Stock Exchange (IDX) for 2017-2020). j.emak, j.emak [Internet]. 2022 Jan. 10 [cited 2025 Apr. 19];3(1):121–128. Available from: https://penerbitadm.pubmedia.id/index.php/jurnalemak/article/view/397