Sianturi, Roy, 		Simbolon, Andre, 		Endayanti, Masriani, AND 		Gultom, A..
" EVALUASI PERENCANAAN TEMBOK PENAHANAN TANAH LONGSOR KABUPATEN TOBA – SIBORONG-BORONG STA 1 + 135" <em>JURNAL ILMIAH TEKNIK SIPIL</em> [Online], Volume 10 Number 2 (1 February 2023)