2026. Quality assessment of red bean (Phaseolus vulgaris L.) sheet jam with varying concentration of red beetroot puree (Beta vulgaris L.). JITIPARI (Jurnal Ilmiah Teknologi dan Industri Pangan UNISRI). 11, 2 (Jun. 2026), 85–103. DOI:https://doi.org/10.33061/jitipari.v11i2.11835.