Simanjuntak, Johan Oberlyn, Tiurma Elita Saragi, Salomo Simanjuntak, and Triwani Sipayung. 2021. “HUBUNGAN TANAH DASAR TERHADAP PERKERASAN LENTUR (FLEXIBLE PAVEMENT) JALAN RAYA”. Jurnal Visi Eksakta 2 (1):21-30. https://ejournal.uhn.ac.id/index.php/eksakta/article/view/190.