Mallard, Ann
Pest control in the Markham Valley written and compiled by Ann Mallard - [Lae] Dept. of Chemical Technology, Papua New Guinea University of Technology 1979 - 38 leaves 29 cm.
Cover title
Bibliography: leaves 37-38
Result of a survey of pest control initiated by David Dale in 1978
Pests--Control--Papua New Guinea--Markham Valley
Pest control in the Markham Valley written and compiled by Ann Mallard - [Lae] Dept. of Chemical Technology, Papua New Guinea University of Technology 1979 - 38 leaves 29 cm.
Cover title
Bibliography: leaves 37-38
Result of a survey of pest control initiated by David Dale in 1978
Pests--Control--Papua New Guinea--Markham Valley