Amilia, Jumar, dan Tuti Heiriyani. “Peran PGPR (Plant Growth Promoting Rhizobacteria) Dalam Meningkatkan Viabilitas Benih Rosella (Hibicus Sabdariffa L.)”. Agropross : National Conference Proceedings of Agriculture 5 (Juli 22, 2021): 186–196. Diakses April 25, 2024. https://proceedings.polije.ac.id/index.php/agropross/article/view/v5-2021-u.