Sri Nurestri Abdul Malek. Synthesis of selected sulphur/oxygen reterocycles ; constituents of eurycoma apiculatta / by Sri Nurestri binti Haji Abdul Malek. - London : University of London, 1981. - 343 pages : illustrations ; 30 cm. Thesis (Ph.D) - University of London, 1981. Bibliography : page 335 - 343. Subjects--Topical Terms: Heterocyclic compounds.Sterods.Sinaranbacae.