หนังสือที่แต่งโดย SGV-Na Thalang & Co., Ltd.. Management Services Division 4 Results

No.TitlePublished
1Pre-feasibility study on assembly of homeuse sewing machines1978
2Pre-feasibility study on Tangerine Juice Project : a selected project in fruit juice production1978
3Pre-feasibility study on coated abrasives1978
4Pre-feasibility study on locks and padlocks1978