Sianturi, Roy, Andre Rejeki Simbolon, Masriani Endayanti, & A. Gultom.
" EVALUASI PERENCANAAN TEMBOK PENAHANAN TANAH LONGSOR KABUPATEN TOBA – SIBORONG-BORONG STA 1 + 135." <em>JURNAL ILMIAH TEKNIK SIPIL</em> [Online], 10.2 (2021): 18 - 31. Web. 22 Dec. 2024