G. Radonjič in A. Pisnik Korda, „Product Ecodesign in Slovenia’s ISO 14001-Certified Manufacturing Companies“, OE, let. 58, št. 3-4, str. 38–55, avg. 2012, Pridobljeno: jul. 21, 2026. Dostopno na: https://journals.um.si/index.php/oe/article/view/2331