Limpangog, Ellaine B. Strategic intervention material in mathematics : an experimental approach / Ellaine B. Limpangog, Bernadette G. Sedentario, Rowevie Jean L. Sotero - Digos City : UMDC November 2017. - 72 pages ; 29 cm. Subjects--Topical Terms: Education--Undergraduate thesis.--Mathematics Dewey Class. No.: UT 0984 / L73