RAMIN, M. IMPLEMENTASI NICHE MARKET PADA AIR LABINI YANG DIKELOLA KOPERASI PONDOK PESANTREN ANIKA USAHA BATA-BATA DIDESA BIRA TIMUR. Jurnal Investasi Islam, [S. l.], v. 4, n. 1, p. 466–474, 2023. DOI: 10.32806/ivi.v4i1.118. Disponível em: http://jurnalalkhairat.org/ojs/index.php/investi/article/view/118. Acesso em: 21 jul. 2025.