Saputra, Erwin, Ernani Hadiyati, and FX Bhakti Hendrakusuma. “The Effect of Lean Management on Patient Satisfaction With Waiting Time Efficiency As a Mediating Variable”. Research Horizon 6, no. 4 (August 25, 2026): 2091–2106. Accessed August 29, 2026. http://journal.lifescifi.com/index.php/RH/article/view/1612.