ARTWICHIAN, D.; RAWINICH, C.; YUANG NGOEN, N.; SAMART, R. APPLICATION OF GEOGRAPHIC INFORMATION SYSTEM IN THE STUDY OF FACTORS AFFECTING ACIDIFICATION OF SOIL IN ONGKHARAK DISTRICT, NAKHON NAYOK PROVINCE. PNRU Academic Journal, [S. l.], v. 1, n. 1, p. 49–65, 2022. Disponível em: https://so07.tci-thaijo.org/index.php/PNRU_ACA/article/view/1191. Acesso em: 21 may. 2024.