و آر ایل:https://c8.alamy.com/comp/2JPC70F/louis-pasteur-in-his-laboratory-louis-pasteur-1822-1895-french-chemist-and-microbioligist-who-discovered-amongst-other-things-pasteurization-and-the-principlies-of-vaccination-he-was-also-an-early-modern-proponent-of-the-germ-theory-of-diseases-after-an-illustration-in-an-1893-edition-of-frank-leslies-illustrated-newspaper-2JPC70F.jpg
و آر ایل:https://animalia-life.club/qa/pictures/pasteurization-louis-pasteur-invented
