Sittiruk Roytrakul. 1996. Studies of lipase expressed in E.coli from a cloned gene of a thermophilic bacterium and from a synthetic gene of Pseudomonas fragi. Faculty of Graduate Studies, Mahidol University;

Sittiruk Roytrakul. Studies of lipase expressed in E.coli from a cloned gene of a thermophilic bacterium and from a synthetic gene of Pseudomonas fragi. . Bangkok:Mahidol University, 1996.

Sittiruk Roytrakul. (1996) Studies of lipase expressed in E.coli from a cloned gene of a thermophilic bacterium and from a synthetic gene of Pseudomonas fragi . Mahidol University/Bangkok.