STUDY OF CHANGES IN MANGROVE FOREST COVER IN THREE AREAS LOCATED ON THE EAST COAST OF NORTH SUMATRA PROVINCE BETWEEN 1990 AND 2020. JOURNAL OF TROPICAL FOREST SCIENCE, [S. l.], v. 34, n. 4, p. 467–479, 2022. Disponível em: https://jtfs.frim.gov.my/jtfs/article/view/1784. Acesso em: 14 dec. 2025.