Singh Karan Purhit, S. S. (1994). Plant productivity under environmental stress. Agro botanical publishers.
Chicago Edition CitationSingh Karan Purhit, S S. Plant Productivity Under Environmental Stress. New Delhi: Agro botanical publishers, 1994.
MLA Edition CitationSingh Karan Purhit, S S. Plant Productivity Under Environmental Stress. Agro botanical publishers, 1994.
Warning: These citations may not always be 100% accurate.