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

Green revolution in India 著者: Chopra, R.N

Biology of bryophytes 著者: Chopra , R.N

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

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

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

その他の著者: “…Chopra, R.N…”

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

その他の著者: “…Chopra, R.N…”

Dictionary of library science

その他の著者: “…Chopra , R.N., ed…”

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

その他の著者: “…Chopra, R.N…”

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

その他の著者: “…Chopra, R.N…”