Putri, Khairani, Annio Indah Lestari, and Nurul Jannah. “Analysis of the Cycle Selling Skill System in Increasing Sales of Health Insurance Products”. Ilomata International Journal of Management 5, no. 3 (July 10, 2024): 845-858. Accessed April 26, 2025. https://www.ilomata.org/index.php/ijjm/article/view/1219.