NIRMALASARI, L.; HARAHAP, E. P.; FARADILLA, F. Implementation of Problem Formulation Management in Improving the Quality of Research in Higher Education. APTISI Transactions on Management, [S. l.], v. 2, n. 1, p. 20–27, 2018. DOI: 10.33050/atm.v2i1.781. Disponível em: https://ijc.ilearning.co/index.php/ATM/article/view/781. Acesso em: 17 feb. 2025.