. WASITO; Bachtar BAKRIE; Lintje HUTAHAEAN; . KHAIRIAH; Sortha SIMATUPANG; . SUKARDI. Social Capital to Harmonise the Health of Rowdy Cattle Farmers and the Environment during the Covid-19 Pandemic in Hamparan Perak District of Deli Serdang Regency of Indonesia . Novel Perspectives of Geography, Environment and Earth Sciences Vol. 5, [S. l.], p. 41–65, 2023. DOI: 10.9734/bpi/npgees/v5/5440A. Disponível em: https://stm.bookpi.org/NPGEES-V5/article/view/9827. Acesso em: 22 jul. 2026.