Pupon, S., Nugraha, M., Febryani, Y., Tasnim, R., Lestari, U., & Sarmada, A. (2020). IDENTIFICATION OF DEFECTS OF PET AND HDPE-BASED DRINKING WATER PACKAGING PRODUCTS. Jurnal Ilmiah Publipreneur, 8(1), 48–56. https://doi.org/10.46961/jip.v8i1.57