Ilagan, Daisy A. Technology and livelihood education exploratory course : mechanical drafting / Daisy A. Ilagan and Christine Abbie F. Zara - Batangas United Eferza Publications, Co. c2013. - 114 p. - Technology and livelihood education exploratory course . Subjects--Topical Terms: Industrial Arts Education.Mechanical drawing. Dewey Class. No.: Cir 607 Il1 2013