- ISBN: 978-3-330-01086-4

Influence of Sinhala on Sinhala/Sri Lankan English bilingual pronunciation

- ISBN: 978-3-659-60655-7

Effects of expansion on service quality

- ISBN: 978-3-659-18987-6

The role of parity order and other socio-demographic factors

- ISBN: 978-3-8383-3377-9

- ISBN: 978-3-330-08910-5

- ISBN: 978-620-2-02822-6

- ISBN: 978-3-330-08920-4

A Linguistic Approach

- ISBN: 978-3-659-90805-7

On the Direct Lefschetz Stability Criterion for a System of Nonhomogeneous Linear Ode's with Variable Coefficients

- ISBN: 978-3-659-41835-8

Analysis of Register in Animal Farm

- ISBN: 978-3-659-58588-3