Firdaus Ramdhani P M, Sucia Sukmaningrum P. Factors that Influence Surplus Underwriting of Tabarru Funds in General Islamic Insurance Companies. KSS [Internet]. 2019Mar.31 [cited 2024Apr.29];3(13):249–263. Available from: https://knepublishing.com/index.php/KnE-Social/article/view/4209