GENESIS AND PROPERTIES OF PEAT AT TOBA HIGHLAND AREA OF NORTH SUMATRA. Indonesian Journal of Agricultural Science, [S. l.], v. 12, n. 1, p. 1–8, 2011. Disponível em: https://epublikasi.pertanian.go.id/berkala/ijas/article/view/579. Acesso em: 11 sep. 2026.