1.
Nirmalasari L, Harahap EP, Faradilla F. Implementation of Problem Formulation Management in Improving the Quality of Research in Higher Education. ATM [Internet]. 2018 Jan. 2 [cited 2025 Jan. 19];2(1):20-7. Available from: https://ijc.ilearning.co/index.php/ATM/article/view/781