曹惠玉. 未配置汉卡APPLEII微型机实现常用汉字信息处理的软件设计[J]. 土木与环境工程学报（中英文）, 1988,10(4).

Cao Huiyu. SOFTWARE DESIGN FOR APPLE II MICROCOMPUTER TO ACHIEVE COMMON CHINESE CHARACTER INFORMATION PROCESSING WITHOUT CHINESE CHARACTER CARD[J]. Journal of Civil and Environmental Engineering, 1988, 10(4).

曹惠玉. 未配置汉卡APPLEII微型机实现常用汉字信息处理的软件设计[J]. 土木与环境工程学报（中英文）, 1988,10(4). DOI： 10.11835/j.issn.1674-4764.1988.04.007.

Cao Huiyu. SOFTWARE DESIGN FOR APPLE II MICROCOMPUTER TO ACHIEVE COMMON CHINESE CHARACTER INFORMATION PROCESSING WITHOUT CHINESE CHARACTER CARD[J]. Journal of Civil and Environmental Engineering, 1988, 10(4). DOI： 10.11835/j.issn.1674-4764.1988.04.007.