Kipkorir, Lea. Secondary business education Typewriting with office practice,Student's book for form 5 BK. Lea Kipkorir - Nairobi KIE 1993 ISBN: 978-9966-220-62-2 9966-22-0623 Subjects--Topical Terms: Typewriting-Study And Teaching. LC Class. No.: HF 5547.5 .K4K46 C.5