Sidabutar IMS, Widagdo S, Putra F, Wahyudi ST. Effect of process capital on competitive advantage through Heptahelix managerial performance In Indonesian national army navy in regency and city of Riau Islands province. ijirss [Internet]. 2025 Jun. 12 [cited 2025 Jul. 22];8(4):345-53. Available from: http://www.ijirss.com/index.php/ijirss/article/view/7786