E. J. Usua

Identifiers

Open LibraryOL681198A

Top Subjects

Grain -- Diseases and pests (1)
Pyralidae -- Larvae (1)
Noctuidae -- Larvae (1)
Stem borers -- Larvae (1)
Health -- Problems, exercises, etc (1)

Books by E. J. Usua

Total count: 3

Handbook of practical biology2nd ed.

Oxford University Press1977-01-01
Descriptions of the larvae and pupae of some important lepidopterous stemborers of cereals

Entomological Society of Nigeria1980-01-01
Questions and answersO-level health science

Longman1981-01-01