na INLIS000000000001241 0010-0124000927 Hidrologi dan pengelolaan daerah aliran sungai Gajah Mada University Chay Asdak Cet. 2 [revisi] Yogyakarta Gajah Mada University 2002 618 p. : ills. ; 21 cm. 979-420-503-6 631.432 ASD h HYDROLOGY WATERSHED MANAGEMENT. 072/2004