GHIFARY FACHRIZAL RIDLO ARIFIN, DJOKO SIHONO GABRIEL. Desıgn Crıterıa For Materıal Value Conservatıon Of Flexıble Plastıc Packagıng. International Journal of Advanced Science and Technology, v. 29, n. 7, p. 88 - 97, 2 May 2020.