2025. The Effect of Sugar Concentration on the Physicochemical and Organoleptic Characteristics of Tongka Langit Banana Marmalade. Jurnal Teknologi Pangan dan Industri Perkebunan (LIPIDA). 5, 2 (Oct. 2025), 102–108. DOI:https://doi.org/10.58466/lipida.v5i2.1903.