TY - BOOK AU - Unday, Joel E. AU - Banzuela, Shirley O. AU - Dalisay, Jill B. AU - Aromin, Mayette L. AU - Bautista, Illuminada L. TI - Introduction to environmental sciences SN - 978-971-821-539-5 U1 - Fil. 333.7 In61 2015 PY - 2015/// CY - Malabon City PB - Mutya Publishing House, KW - Environmental sciences N1 - Includes references ER -