Fundamental science Philosophy of chemistry Hard and soft science Special sciences Unity of science John M. Malin “International Year of Chemistry - 2011 Chemistry – our life, our future” "Archived copy" (PDF).
فلسفة الكيمياء العلوم الصعبة العلوم السهلة العلوم الخاصة وحدة العلوم John M. Malin “International Year of Chemistry - 2011 Chemistry – our life, our future” .