Santoso, Umar, et al. “KARAKTERISASI KIMIA, FISIKOKIMIA DAN ORGANOLEPTIK JAM DAN JELLY JONJOT LABU KUNING (Cucurbita Maxima) [Chemical, Physicochemical and Sensory Characterization of Jam and Jelly Made from Pumpkin Strands (Cucurbita maxima)]”. Jurnal Teknologi Dan Industri Pangan, vol. 17, no. 2, May 2010, p. 136, https://journal.ipb.ac.id/jtip/article/view/430.