Firdaus F, Ambarwati R. Challenges and Opportunities Management Human Resources in Industry 4.0 Focuses on Digital Skills Syamsudinnoor International Banjarmasin Airpot, South Kalimantan. IJEC [Internet]. 2024 Apr. 20 [cited 2024 May 18];3(1):470-9. Available from: https://ejournal.ipinternasional.com/index.php/ijec/article/view/812