Graduate-Member-of-The-Institution-of-Engineers-of-Kenya-_-Carey-Calvin-Ochogo
Appointment-letter---Post-of-Visitng-Lecuture-in-University-of-Sri-Jayewardanepura
Appointment-for-the-Boilor-committee-of-IDB
NSF-Working-group-of-NSF-for-QA-Innovation
Appointment-for-National-Mirror-Committee-of-SLSI-on-EMS
certificate-of-completion-for-understanding-iso-iec-17025-2017
MRAeS-for-IF-July-1997
