Martino, Dede, Ardiyaningsih Puji Lestari, and Linda Handayani. 2019. “APPLICATION OF PIT HEAT METHOD IN SANGGAI MACHINE TECHNOLOGY AS A ORGANIC PRESERVATIVE OF FOOD”. JOURNAL ONLINE OF PHYSICS 5 (1):37-41. https://doi.org/10.22437/jop.v5i1.8268.