Vithita Prachanukul. 2003. A survey of perspective of persons with visual impairment and instructors on orientation and mobility training : case studies at Skills Development Center for the Blind and the Sampran Rehabilitation and Vocational Training Center for the Blind Women. Field of Study Rehabilitation Service for Persons with Disabilities, Mahidol University;

Vithita Prachanukul. A survey of perspective of persons with visual impairment and instructors on orientation and mobility training : case studies at Skills Development Center for the Blind and the Sampran Rehabilitation and Vocational Training Center for the Blind Women. . Bangkok:Mahidol University, 2003.

Vithita Prachanukul. (2003) A survey of perspective of persons with visual impairment and instructors on orientation and mobility training : case studies at Skills Development Center for the Blind and the Sampran Rehabilitation and Vocational Training Center for the Blind Women . Mahidol University/Bangkok.