SAFA’AT, Safa’at; FATIMAH, Nuzulul; MANAFE, Leonard Adrie. Marketing Strategy To Improve The Competitiveness Of A Chocolate Drink Business In Surabaya. International Journal Of Education, Social Studies, And Management (IJESSM), [S. l.], v. 3, n. 1, p. 13–27, 2023. DOI: 10.52121/ijessm.v3i1.135. Disponível em: https://lpppipublishing.com/index.php/ijessm/article/view/135. Acesso em: 27 aug. 2025.