Windiastuti, Erviyana, et al. “Response of Cucumis Sativus L.’s Growth and Harvest to Variations in Soaking Time and Plant Growth Promoting Rhizobacteria Concentration”. Jurnal Biologi Tropis, vol. 23, no. 3, May 2023, pp. 164-72, http://jurnalfkip.unram.ac.id/index.php/JBT/article/view/5031.