Indigenous drugs of India : their medical and economic aspects Yazar: Chopra, R.N

Green revolution in India Yazar: Chopra, R.N

Biology of bryophytes Yazar: Chopra , R.N

Indian ephedras : their chemistry and pharmacology Yazar: Chopra, R.N

Food policy in India : a survey Yazar: Chopra, R.N

Common medicinal plants of Darjeeling and the Sikkim Himalayas Yazar: Biswas, K.

Diğer Yazarlar: “…Chopra, R.N…”

Insecticidal and piscicidal plants of India Yazar: Badhwar, R.L

Diğer Yazarlar: “…Chopra, R.N…”

Dictionary of library science

Diğer Yazarlar: “…Chopra , R.N., ed…”

Supplement to glossary of Indian medicinal plants Yazar: Chopra, I.C

Diğer Yazarlar: “…Chopra, R.N…”

Glossary of Indian medicinal plants Yazar: Chopra, I.C

Diğer Yazarlar: “…Chopra, R.N…”