https://openlibrary.org/books/OL2365197M.opdsUmpama Batak dohot lapatanna2023-05-26T14:33:25ZA. N. Parda Sibaranihttps://openlibrary.org/authors/OL1066528A/A._N._Parda_SibaraniDepartemen P. dan K., Proyek Penerbitan Buku Sastra Indonesia dan DaerahJakarta1979263 p. ;In Toba-Batak, with summary in Indonesian.
"PPS/Bt/2/78."maphttps://openlibrary.org/books/OL2365197M1384144886940987