Teh, Betsy, Lay Hong Esensi Biologi SPM Betsy Teh Lay Hong - Terbitan pertama - viii, 608p. col. ill. 25cm. - Longman Esensi SPM . ISBN: 9789674029357 Subjects--Topical Terms: Biology--Problems, Exercises, Etc.Biology--Examination, Questions, Etc. Dewey Class. No.: 570.76