Tewani G, . (2017). Mathematics for Joint Entrance Exam JEE Advanced ( Vectors & 3 D Geometry). New Delhi: Cengage Learning India Pvt.ltd.
Tewani G, . 2017. Mathematics for Joint Entrance Exam JEE Advanced ( Vectors & 3 D Geometry). New Delhi: Cengage Learning India Pvt.ltd.
Tewani G, . Mathematics for Joint Entrance Exam JEE Advanced ( Vectors & 3 D Geometry). New Delhi: Cengage Learning India Pvt.ltd. 2017.