Purba EF, Lastri. IMPLIKASI EKONOMI ULOS HOLONG BAGI PENGANTIN BATAK TOBA: PENDEKATAN UTILITAS DAN BIAYA OPORTUNIS. JMB [Internet]. 2022Feb.26 [cited 2024Nov.23];22(1):226-39. Available from: https://ejournal.ust.ac.id/index.php/JIMB_ekonomi/article/view/1742