OPTIMASI DISTRIBUSI ROTI MENGGUNAKAN MODEL STEPPING STONE (Studi Kasus: Pabrik Roti Gedangan, Asahan). JOURNAL OF SCIENCE AND SOCIAL RESEARCH, [S. l.], v. 1, n. 2, p. 148–152, 2018. DOI: 10.54314/jssr.v1i2.237. Disponível em: https://jurnal.goretanpena.com/index.php/JSSR/article/view/237.. Acesso em: 27 jul. 2026.