WIDAD, Romzatul; INAYAH, Fivia Saddha; MAHARANI, Resty Dwi; MARYAM, Siti; PRAMESTI, Nabila Intan; AKHIRIYAH, Syahriatul. Analysis of Marketing Development Strategies to Increase the Competitiveness of Sakinah Frozen Food Business in Paiton Probolinggo. Journal of Economics and Social Sciences (JESS), [S. l.], v. 4, n. 2, p. 1113–1120, 2025. DOI: 10.59525/jess.v4i2.1020. Disponível em: https://journal.civiliza.org/index.php/jess/article/view/1020. Acesso em: 28 feb. 2026.