The comparative study on the collagen and gelatin derived from earthworms Eudrilus euginiae and Lumbricus rubellus - Arunagiri Theva, Sujithra Devi; Abd Aziz, Nor Azwady; Mustafa, Muskhazli; Mustafa, Shuhaimi; Teng, Suk Kuan (Department of Biology, Faculty of Science, Universiti Putra Malaysia, 2014)