Flores, Quennie S., Soaring 21st century mathematics business mathematics grade 11 senior high school k to 12: learning guide/ Quennie S. Flores, Simon L. Chua, DT - Quezon City: The phoenix publishing house, inc., 2017. - viii, 65 pages: tables ; 29 cm. English ISBN: 9789710646524 Subjects--Topical Terms: Mathematics. Dewey Class. No.: 513.93 / F66