Mullet, Valentina P. An opinion on the K+12 program/ Valentina P. Mullet. - Philippines: In the Grade School, Inc., ©2012. - pages7+; 28 cm. The Modern Teacher ISSN: 2094-8042 Subjects--Topical Terms: Education --K+12 Dewey Class. No.: DPer 370.105 M72 Jan-Dec 2012 v. 60-61