Springer,8 Cengage Learning,4 C S A,2 World Scientific Publishing,2 schaum's outline series,1 Great Media,1 Singapore Asian Publications,1 McGraw-Hill,1 Marshall Cavendish Business,1 Wiley,1 Mc Graw Hill Education,1 Cengage Technology,1 Cengage Technology Edition,1 ISEAS-Yusof Ishak Institute,1 Idea Gruop Publishing,1 Idea Gruop Reference,1 World Scientific,1 Taylor & Francis Group,1