Visual performance of workers in textile and engineering trades
By: by M.N. Gupta & Harwant Singh.
Contributors: Singh, Harwant, joint author.
Publisher: Directorate General Factory Advice Service & Labour Institutes, Central Labour Institute
Published: 1967
Place of publication: Bombay
Language: eng
Number of pages: 49
Subjects: Vision -- Testing; Textile workers -- Health and hygiene; Engineers -- Health and hygiene
Notes: Bibliography: p. 49.