Suhadi, Suhadi. “KAJIAN SOSIAL EKONOMI PEKERJA TAMBANG SIRTU DI DESA KROMPENG KECAMATAN TALUN KABUPATEN PEKALONGAN”. JESS (Journal of Educational Social Studies) 1, no. 2 (1). Accessed March 10, 2025. http://journal.unnes.ac.id./sju/jess/article/view/735.