Aside from his medical research, Dr. Kochaji has enriched the library of the Arab medical researcher by translating some key references. Notably, Ten Car`s Oral Histology, Forensic Dental Evidence, second edition (Bilingual Book, English- Arabic),Cawson`s Essentials of Oral Pathology and Medicine, Forensic Dental Evidence all in co-publishing program with ELSEVIER publishers.