Wulandari, Astrid, Sri Waluyo, and Dwi Dian Novita. “Prediction of Self Life of Kemplang Crackers Packaged in Polypropylene Plastick With Thickneses”. Jurnal Teknik Pertanian Lampung (Journal of Agricultural Engineering) 2, no. 2 (November 19, 2013). Accessed November 19, 2025. http://jurnal.fp.unila.ac.id/index.php/JTP/article/view/256.