SHAFARDA, MOH., 		ASIH, NI MADE, AND 		GANDHIADI, G.K..
" MEMINIMUMKAN BIAYA DISTRIBUSI JERUK MENGGUNAKAN VOGELL’S APPROXIMATION METHOD DENGAN UJI OPTIMAL STEPPING STONE" <em>E-Jurnal Matematika</em> [Online], Volume 8 Number 2 (6 June 2019)