"powell, len . "

a guide to the overhead projector: / len.. powell - 2 ed. - uk : bacie 1974. - ", 31p.; 21 cm."

621. 389 52 pow

2017 | The Technical University of Kenya Library | +254(020) 2219929, 3341639, 3343672 | library@tukenya.ac.ke | Haile Selassie Avenue