Malik, Yaumil Fauzan, and Dyah Poespita Ernawati. “Literature Analysis and Future Research Framework in Improvement and Substitutes Strategies”. Eksis: Jurnal Riset Ekonomi dan Bisnis 16, no. 1 (October 11, 2021): 57 - 64. Accessed November 22, 2024. https://ejournal.stiedewantara.ac.id/index.php/001/article/view/812.