Ed.Mark M. Ravitch and Felicien M. Stelchen1980 年出版717 页ISBN:
Linear algebra - selected problems
Carla M. A. Pinto ; J. A.Tenreiro Machado2014 年出版166 页ISBN:1621550044
THEORETICAL PROBLEMS OF GEOGRAPHY
V.A.ANUCHIN,ROLAND J.FUCHS,GEORGE J.DEMKA2222 年出版331 页ISBN:0814202217
GROUNDWATER DYNAMICS PROBLEM SETS
YE WEININ,ZHAO QIAN,CHEN YONGGUI,YEBIN,XU LONG2013 年出版62 页ISBN:7560850962