Hayati, Rita. 2013. “ANALISIS FRAKSI-FRAKSI KURVA ISOTERMI SORPSI AIR DARI TEPUNG ROSELA DAN PENGARUHNYA TERHADAP SIFAT-SIFAT MUTU PRODUK [Analysis of Moisture Sorption Isotherm Fraction of Roselle Powder and Its Effect on Products the Quality Characteristics]”. Jurnal Teknologi Dan Industri Pangan 24 (1), 68. https://doi.org/10.6066/jtip.2013.24.1.68.