"taylor, graham . "
gcse computer studies: / graham.. taylor - 3 ed. - uk : macmillan 1991. - ", 310p.; 30 cm."
0-333-64357-7
computer science--
004. tay
gcse computer studies: / graham.. taylor - 3 ed. - uk : macmillan 1991. - ", 310p.; 30 cm."
0-333-64357-7
computer science--
004. tay