Effect of Learning "Outdoor Study" Ability to Communicate in Writing and Social-Geography Student Learning Outcomes at “Mataraman” East Java-The Republic of Indonesia*. Mediterr. J. Soc. Sci. [Internet]. 2016 May 3 [cited 2024 Apr. 30];7(3):429. Available from: https://www.richtmann.org/journal/index.php/mjss/article/view/9070