K. Khairunnisa, Ermas Simaremare, Novita Annisah Hasibuan, Girang Stevani Bancin, and Tondang Raja Purba, “Analysis Problems of Geography Teachers in Applying Learning Strategies to Sensing Material Far away at SMA N 7 Medan”, JMS, vol. 4, no. 02, pp. 513–521, Dec. 2024.