1 | Control Methods in Leather Industry, Dr. İsmet HAKİMOĞLU, Leather Research Institute Publications 1990, Pendik / İstanbul. |
2 | Leather Quality Determination, Dr.Ahmet TOPTAŞ, 1998, İstanbul. |
3 | Analysis Methods and Requirements of the Leather Industry Prof.Dr. Cahit ÖNCÜ, Ankara University, Faculty of Agriculture Publications, 1950, Ankara. |
4 | Fault Sources in Leather Processing, Dr. Ahmet TOPTAŞ, Sade Ofset, 2004, İstanbul. |