20040609162900.0 India 0009-2517 0009-2517 Chemical Engineering World 0009-2517 Chemical Engineering World. Chemical Engineering World. 0009-2517 Chemical Engineering World internetarchive Internet Archive https://archive.org/details/pub_cew-chemical-engineering-world 1972/1989 2023-09-15 1972-1989 7 to 24 Preserved Chemical Engineering World CEW, Chemical Engineering World 1972-1989 0009-2517 0009-2517