na JATIM-06090000040073 20090625133111.0 ind 0010-060900000040073 0 CB-D13/1994-057 Drs. Suharno 0 Matematka 2c Surabaya Kendang Sari 1994 iii, 127 hlm. : illus. ; 20 cm. 0 0 1 0