Nadeem, Muhammad, Masum Akond, Atif Riaz, Muhammad Qasim, Adnan Younis, and Amjad Farooq. “ Pollen Morphology and Viability Relates to Seed Productionin Hybrid Roses”. Plant Breeding and Seed Science 68 (December 19, 2013): 25–38. Accessed November 21, 2024. http://ojs.ihar.edu.pl/index.php/pbss/article/view/291.