Valdez, Kristine B. Competence of grade b1 learners in numeracy using self-learning modules in the public schools Kristine B. Valdez. - Saint Louis College : [s.n.], 2021. - xiv, 216 pages : illustrations ; 28 centimeter. References: pages 188-199. Subjects--Topical Terms: Teaching --Aids and devices. Dewey Class. No.: TH 371.33 V23c 2021