Wardana, Singgih Tri, et al. “Respons Pertumbuhan Rimpang Bangle (Zingiber Purpureum) Pada Perlakuan PGPR (Plant Growth Promoting Rhizobacteria)”. Bioscientist : Jurnal Ilmiah Biologi, vol. 12, no. 2, Dec. 2024, pp. 2449-55, doi:10.33394/bioscientist.v12i2.13142.