Atanacio, Heidi C. Pagbasa at pagsulat tungo sa pananaliksik : dulog-modyular / Heidi C. Atanacio. - Quezon City : C & E Publishing, 2009. - xv, 191 p.: ill. 25.3 cm. Filipino ISBN: 978-971-584-857-2 LC Class. No.: 499.21107 At16p