00386nam a22000977a 4500008004100000020001800041082003200059245006200091260011400153300002100267140228b        xxu||||| |||| 00| 0 eng d  a971-20-0182-2  aFil. (R) 631.587 P539b1991  aThe Philippines recommends for water management /cPCARRD  aLaguna :bPhilippine Council for Agriculture, Forestry and Natural Resources Research and Develoment,cc1991.  axi, 88p. :bill.