Yadav HK, Shukla S, Rastogi A, Singh MP, Singh SP. Genotype - Environmental interactions and phenotypic stability analyses of opium poppy (Papaver somniferum L.) for seed, opium and morphine content. IJGPB [Internet]. 2007 May 25 [cited 2024 Nov. 17];67(02):166-8. Available from: https://www.isgpb.org/journal/index.php/IJGPB/article/view/1408