Francisco, Virlyn Jaime Ekonimiks 9 : araling panlipunan / Virlyn Jaime- Francisco . - Quezon City : The Library Publishing House, Inc., 2017. - 384 pages : tables, figures ; 26 cm. ISBN: 9789719616290 Subjects--Topical Terms: Social StudiesEconomicsEkonomiks Dewey Class. No.: 330 / F84e