Culture and psychology

 Matsumoto, David Ricky.; Juang, Linda P.;

Boston. MA : : Cengage Learning, , 2017

Algebra and trigonometry

 Aufmann, Richard N.; Nation, Richard;

Stamford, CT, USA : : Cengage Learning, , 2015

Campaigns and elections :players and processes

 Medvic, Stephen K.;

Boston, MA : : Wadsworth, Cengage Learning, , 2010