Hutagaol, Christin, and Yoskar Kadarisman. 2026. “Persaingan Pedagang Sayur Dalam Memperoleh Bahan Dagangan”. Jurnal Ilmiah Wahana Pendidikan 12 (8.B), 288-91. https://jurnal.peneliti.net/index.php/JIWP/article/view/14814.