Elmi, Farida, et al. “Study On Human Resources Readiness Of Sea Cross-Border Post (PLBN) In Riau Islands Province”. Countable (Contemporary Business and Sustainability Science), vol. 1, no. 2, Sept. 2024, pp. 102-13, https://ejournal.masyarakatjurnal.or.id/index.php/countable/article/view/32.