Osman Musa <br/><br/>
Keperluan piawaian-piawaian ketukangan kebangsaan dansukatan latihan dalam memajukan tenaga mahir. The need for nationaltrade standards and training curriculum in skill development, Osmanbin Musa 

 - Kuala Lumpur, Lembaga Latihan Perindustrian dan PersijilanKetukangan Kebangsaan, 1978 
 - 1v. (various pagings)