The effect of variations in sugar and pectin concentration on the physicochemical and organoleptic properties of fruit jam made from seed production melonAgung Wahyono, Yani Subaktilah, Budi Hariono, Emi Kurniawati and Muhammad Ihsan AlfariziBIO Web Conf., 210 (2026) 02039DOI: https://doi.org/10.1051/bioconf/202621002039