Semira, Mark Anthony B. Utilization of learner's materials and academic performance of grade 10 in Mathematics in Rosario district : basis for modified learner's activity sheets / Mark Anthony B. Semira - xi, 128 leaves : illustrations ; 28 cm. Major in Mathematics Includes appendices and bibliography. Subjects--Topical Terms: Mathematics --Study and teaching LC Class. No.: QA11 / Se47 2021