At Karen Technical Training Institute for the Deaf, Nairobi County

- ISBN: 978-3-639-86435-9

- ISBN: 978-620-2-30729-1

Salt-affected soils contaminated soils with heavy metals survey study chemical remediation cotton plants

- ISBN: 978-3-639-51560-2

Principles, the typically used methods,classification and applications

- ISBN: 978-3-639-51249-6

- ISBN: 978-613-8-56565-9

- ISBN: 978-613-8-84010-7

Operationalising Formula Instruction in an Academic Writing Class

- ISBN: 978-3-639-76764-3

Rescue & Rehabilitation

- ISBN: 978-3-639-71923-9

- ISBN: 978-3-639-86356-7

- ISBN: 978-613-8-97445-1