Antonio, Eleanor D. <br/><br/>Kayamanan 4  Batayan at Sanayang Aklat sa Araling Panlipunan  -- Binagong Edisyon  -- Manila, Philippines:  Rex Book Store,  2017. <br/> col., ill. <br/><br/><label>ISBN: </label>978-971-23-8312-0 <br/><br/><label>Dewey Class. No.: </label>GSL TB 910 An888 2017