Mochamad Achyarsyah, Heny Hendrayati, Suryana, Disman , Poppy Puspitasari 2020. Entrepreneur Innovation in Product Packaging: Automatic Continuous Sealer with Air Filling to Improve Quality and Productivity of Small Medium Enterprises’ Products. International Journal of Advanced Science and Technology. 29, 7s (Apr. 2020), 304 - 313.