Eryani E. The Impact of The Environment and Leadership Patterns on Employee Work Achievement At Uptd Region Viii Samsat Langsa. Int. J. Language U-Learning [Internet]. 2023Dec.9 [cited 2025Jul.5];1(3):188-96. Available from: https://www.journal.ypidathu.or.id/index.php/ijlul/article/view/638