Maulana H, Wibisono C, Sarmini S. The influence of communication, teamwork and culture on employee performance at Riau Islands Province regional procurement bureau with self-efficacy as intervening variables. GAMS [Internet]. 2025 Sep. 18 [cited 2025 Oct. 3];1(2):115-39. Available from: https://goodwoodpub.com/index.php/gams/article/view/3466