Kittiporn Nitetwittayanukool. 2006. Study on economic and environment efficiency of offset and digital printing systems. Field of Study Chemical Engineering, Chulalongkorn University;
Kittiporn Nitetwittayanukool. (2006) Study on economic and environment efficiency of offset and digital printing systems . Chulalongkorn University/Bangkok.
Kittiporn Nitetwittayanukool. Study on economic and environment efficiency of offset and digital printing systems. . Bangkok:Chulalongkorn University, 2006.
Kittiporn Nitetwittayanukool. (2006) Study on economic and environment efficiency of offset and digital printing systems . Chulalongkorn University/Bangkok.