- ISBN: 978-620-2-02281-1

- ISBN: 978-613-8-23509-5

- ISBN: 978-613-7-42579-4

(Case Study of Selected Industrial Units)

- ISBN: 978-3-330-06027-2

- ISBN: 978-620-3-19673-3

- ISBN: 978-620-3-46348-4

- ISBN: 978-613-9-46365-7

- ISBN: 978-613-9-45594-2

Case studies of four learners on an EAP programme

- ISBN: 978-3-8454-0594-0

A Comparison of the Different Assessment Models and Assumptions

- ISBN: 978-3-8433-9076-7