Caguioa, Esperanza I. Characteristics of the best learning environment/ Esperanza I. Caguioa. - Philippines; In The Grade School, Inc., c2011. - v60 n1, page 18; 27cm. ISSN: 2094-8042 Subjects--Topical Terms: Classroom management. Dewey Class. No.: DPer 370.105 M72 Jan-Dec 2011 v59-60