Pitak Lausangngam. 2006. Strategic decision to make-or-buy in the mould department of a plastic packaging manufacturer. Field of Study Engineering Management, Chulalongkorn University;
Pitak Lausangngam. (2006) Strategic decision to make-or-buy in the mould department of a plastic packaging manufacturer . Chulalongkorn University/Bangkok.
Pitak Lausangngam. Strategic decision to make-or-buy in the mould department of a plastic packaging manufacturer. . Bangkok:Chulalongkorn University, 2006.
Pitak Lausangngam. (2006) Strategic decision to make-or-buy in the mould department of a plastic packaging manufacturer . Chulalongkorn University/Bangkok.