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Sharma, B.K. et al. 1979. Introduction of an Exotic Strain of <I>Valeriana officinalis</I> Linn. (from U.S.S.R.) for its Cultivation and Exploitation in Chakrata Hills, Distt. Dehra Dun, India. Indian Forester. 105, 3 (Mar. 1979), 211–216. DOI:https://doi.org/10.36808/if/1979/v105i3/11313.