Guidelines for programmes for the prevention of blindness.
Guidelines for programmes for the prevention of blindness.
= Guide pour les programmes de prévention de la cécité = Pautas para los programas de prevención de la ceguera
- Geneva : World Health Organization, 1979.
- 47 p.
eng fre spa.
9241541415
Blindness--prevention and control.
WW 276
eng fre spa.
9241541415
Blindness--prevention and control.
WW 276