Magno, Marcelita Dangerous drugs: a resource book for teachers and students - Quezon City, Philippines: Institute for Science and Mathematics Education Development; Pundasyon sa pagpapaunlad ng kaalaman sa pagtuturo ng agham, ink., c1988. - 164 p. ISBN: 9711350742 Dewey Class. No.: 362.29 M27 1988 / 8888