na INLIS000000000000424 0010-1020000226 631.67(921.124)_ 631.67(921.124)_ ASIAN DEVELOPMENT BANK Consultancy for developing testing methods of obtaining benchmark information about beneficiaries for the Simalungun irrigation project North Sumatera , Indonesia Quension City Nia Consult, Inc 1986 160p.: ills; 29 cm IRIGASI SIMALUNGUN SUMATERA UTARA. 432 432