Quantitative analysis an introduction
<em>Royem> M.Chiulli1999 年出版574 页ISBN：9056996290
PROCESS MEASUREMENT AND CONTROL
<em>ROYem> E.FRASER2001 年出版211 页ISBN：0130222119
INTERMEDIATE MICROECONOMICS SECOND EDITION
<em>ROYem> J. RUFFIN1992 年出版588 页ISBN：0673463214
（加）罗伊·迈克格里嘎（<em>Royem> MacGregor）著；云南新宇翻译公司译1999 年出版107 页ISBN：754141719X
TEXTILE PREPARATION AND DYEING
A.K.<em>ROYem> CHOUDHURY2222 年出版834 页ISBN：1578084024
POLITICAL REPRESENTATION IN FRANCE
PHILIP E.CONVERSE <em>ROYem> PIERCE1986 年出版996 页ISBN：0674686608
POLICE MANAGEMENT SECOND EDITION
<em>ROYem> R.ROBERG JACK KUYKENDALL1997 年出版442 页ISBN：0935732853
Computer Sraphics Second Edition
ZhiGang Xiang and <em>Royem> Plastock2002 年出版347 页ISBN：711110417X
