Cottonseed bio-diesel in CI Engine

- ISBN: 978-620-2-30433-7

Land, Forest, and Water Dynamics among the Maccaa Oromo of Wallagga

- ISBN: 978-620-2-30272-2

- ISBN: 978-620-2-30348-4

- ISBN: 978-620-2-30049-0

- ISBN: 978-620-2-30846-5

- ISBN: 978-620-2-30865-6

Volume III(H to L)

- ISBN: 978-620-2-30851-9

- ISBN: 978-620-2-31171-7

- ISBN: 978-620-2-30187-9

- ISBN: 978-3-330-65324-5