D. CLAR, J. . The Effects of Coal Upgrading and Blending on the Combustion Performance Characteristics of Low-Rank Philippine Coals. ASIA PACIFIC JOURNAL OF SOCIAL INNOVATION, [S. l.], v. 14, n. 2, p. 1–14, 2024. Disponível em: https://journals.msuiit.edu.ph/tmf/article/view/480. Acesso em: 18 oct. 2024.