“Growth and Yield Response of Sunflower (Helianthus annuus L.) to Sulphur and Boron Application: Effect of Sulphur and Boron on Sunflower” (2014) Biological Sciences - PJSIR, 57(1), pp. 5–10. doi:10.52763/PJSIR.BIOL.SCI.57.1.2014.5.10.