na INLIS000000000002523 0010-0121000889 Pemeliharaan jaringan irigasi irrigation sub sector project (ISSP) - loan IBRD 2880-IND Formal training program PT Indah Karya [s.l] PT Indah Karya dan PT Istaka Karya [s.a] ii, 56 p. : ill ; 30 cm 631.67 631.67 IRIGASI IRRIGATION JARINGAN IRIGASI. 3629 3629