SITUMORANG, Sasma Hamonangan; SIMANGUNSONG, Fernandes; MARIANI, Dedeh; INDRAYANI, Etin. Implementation of Policy for Transforming Unproductive Land into Productive Land in North Tapanuli Regency, North Sumatera Province. Journal of Humanities and Social Sciences Studies, [S. l.], v. 7, n. 6, p. 01–12, 2025. DOI: 10.32996/jhsss.2025.7.6.1. Disponível em: https://al-kindipublishers.org/index.php/jhsss/article/view/9976. Acesso em: 7 jul. 2025.