1.
Nur’Syamsiyah H, Manafe LA, Nugroho DC. The meaning of innovation in the umrah business process: A qualitative study on umrah travel. PSSJ [Internet]. 2025 Jun. 30 [cited 2025 Nov. 1];5(6):109-17. Available from: https://journal.privietlab.org/index.php/PSSJ/article/view/420