D. S. Papworth · 4 obras en el catálogoObrasTToxicología veterinariaToxicología veterinariaRReport to the Government of Indonesia on pesticide control aReport to the Government of Indonesia on pesticide control and legislation in IndonesiaRReport to the Government of Sri Lanka on pesticide control aReport to the Government of Sri Lanka on pesticide control and legislation in Sri LankaRReport to the Government of the Philippines on pesticide conReport to the Government of the Philippines on pesticide control and legislation in the Philippines
RReport to the Government of Indonesia on pesticide control aReport to the Government of Indonesia on pesticide control and legislation in Indonesia
RReport to the Government of Sri Lanka on pesticide control aReport to the Government of Sri Lanka on pesticide control and legislation in Sri Lanka
RReport to the Government of the Philippines on pesticide conReport to the Government of the Philippines on pesticide control and legislation in the Philippines