Siregar A, Kudadiri A, Sembiring S, Siregar N. Local Wisdom in Cultural Ceremony of Angkola Indigenous Community. E-BPJ [Internet]. 2023 May 19 [cited 2024 May 11];8(24):255-60. Available from: https://ebpj.e-iph.co.uk/index.php/EBProceedings/article/view/4659