Arellano, Renato A. Gabay sa pagkatuto sa sibika at kultura at karapatang pantao, Ikatlong baitang/ Renato A. Arellano. - Philippines: In the Grade School, Inc., c2011. - v60 n7, page 306-307; 27cm. ISSN: 2094-8042 Subjects--Topical Terms: Programmed instruction--Sibika at Kultura Dewey Class. No.: DPer 370.105 M72 Jan-Dec 2011 v59-60