"oballla, e r. "
technical drawing and design 1: for secondary students , artisans ,craftsmen ,technicians./ e.r. oballla" - 1 ed. - kenya : heinmann 1988. - ", 110p.; 21 cm."
9966-46-936-2
T353 / .O23 1988
technical drawing and design 1: for secondary students , artisans ,craftsmen ,technicians./ e.r. oballla" - 1 ed. - kenya : heinmann 1988. - ", 110p.; 21 cm."
9966-46-936-2
T353 / .O23 1988