Shabir, A., M. Saqib, M. Ahmad, M. Latif, S. A. H. Bukharia, M. Q. Ahmad, M. Dawood, and M. Rashid. “Enhancing Drought Tolerance of Wheat (Triticum Aestivgum L.) Through Foliar Application of Proline and L-Triptophan: Proline and L-Triptophan Induced Drought Tolerance in Wheat”. Biological Sciences - PJSIR, vol. 63, no. 3, Nov. 2020, pp. 199-06, doi:10.52763/PJSIR.BIOL.SCI.63.3.2020.199.206.