ANGGA PRAMANA; FARIDA HAMZAH; GULTOM, P.; OKRI REVAL; SUCI RAHMAYANI; SYAWATUL MUTIARA. Producing Orange Marmalade in Pulau Belimbing 1 Kuok Village, Kuok sub-dstrick in Kampar Regency Riau . Journal of Community Engagement Research for Sustainability, [S. l.], v. 1, n. 1, p. 49–59, 2021. DOI: 10.31258/cers.1.1.49-59. Disponível em: https://cers.ejournal.unri.ac.id/index.php/cers/article/view/3. Acesso em: 4 nov. 2026.