second year Alvaran, Ma. Verla A. creator De Villa, Mildred O. Ularte, Miguel B. delos Santos, Zenaida M. text Philippines United Eferza Academic Publications c2011 monographic 182 p. ; 27 cm. Ma. Verla A. Alvaran...[et al.]. English language Worktext Prof. 428.076 A472 2011 979-971-0540-57-0