Santoso, Umar, Nur Djamilah, and Murdijati Gardjito. 2010. “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 17 (2), 136. https://journal.ipb.ac.id/index.php/jtip/article/view/430.