"owen, k . "
data independence and data flow systems: / k.. owen - 1 ed. - uk : ncc 1983. - ", 16p.; 30 cm."
0 85012 408 5
001. 61 owe
data independence and data flow systems: / k.. owen - 1 ed. - uk : ncc 1983. - ", 16p.; 30 cm."
0 85012 408 5
001. 61 owe