Dhiman, S.C. and Agarwal, R. 2010. Status of <I>Parthenium hysterophorus</I> L. and its Biocontrol Agent, <I>Zygogramma bicolorata</I> Pallister in Uttarakhand. Indian Forester. 136, 12 (Dec. 2010), 1631–1636. DOI:https://doi.org/10.36808/if/2010/v136i12/12765.