“SAND CULTURE STUDIES OF TEAK (TECTONA GRANDIS) IN RELATION TO NUTRITIONAL DEFICIENCY SYMPTOMS, GROWTH AND VIGOUR” (2022) JOURNAL OF TROPICAL FOREST SCIENCE, 16(1), pp. 46–61. Available at: https://jtfs.frim.gov.my/jtfs/article/view/1112 (Accessed: 18 January 2026).