Pal, Mamta, and S K Thind. “Photosynthetic Pigments and Vigour of Rice (Oryza Sativa L.) Seedlings As Affected by Kinetin and Prohexadione-Calcium”. ORYZA-An International Journal of Rice, vol. 56, no. 1, Mar. 2019, http://epubs.icar.org.in/index.php/OIJR/article/view/88346.