Madrinan, Milded. Perception of teachers and parents on the use of mother tongue as a medium for instruction in grade 1-3/ Mildred Madrinan [and three others]. - Digos City: UMDC November 2011. - 25 pages; 27.5 cm. Subjects--Topical Terms: Elementary Education--Undergraduate thesis. Dewey Class. No.: UT 0322 / M26