Rabert, Mahalingam Rajasekar, R. Somasundaram, Paramasivam Manivannan, Gabriel Amalan. 2015. “Drought Stress Induced Modification on Growth and Pigments Composition in Different Genotypes of Helianthus Annuus L”. Current Botany 5 (December):7-13. https://updatepublishing.com/journal/index.php/cb/article/view/2937.