Singh, J., Raina, R. and Rajasekaran, A. (2008) “Role of GA<SUP>3</SUP> Application and Time of Sowing on Seed Germination of <I>Hypericum perforatum</I> Linn”., Indian Forester, 134(4), pp. 481–486. doi: 10.36808/if/2008/v134i4/886.