Villanueva, Rene O. Apat na dula / Rene O. Villanueva - 196 pages - Philippine writers series 1998 Likhaan : sentro ng malikhaing pagsulat . Hiblang abo Sigwa Botong Kalantiaw ISBN: 971542158X Subjects--Topical Terms: Filipino drama--Collections Dewey Class. No.: 899.2208