Kos-landa means a grove 'landa' of jack fruit trees 'kos'. Jak (English), kos or herali (Sinhala), pelaka (Tamil) Artocarpus heterophyllus (botanical name)
- Meet the Jak Fruit Tree
- The Jackfruit
- The Benevolent Jak
- Jak Fruit as a Tree of Rice
- Tracing the Flavour of Living Heritage in Jak
- Jak and god Sakka in Sinhala folklore
- Nutritional Composition of Jak
- Jak fruit and fertility
- Jak fruit in Sinhala culture
- Jak as a marker of the life cycle
- National Jak Development Project
- Jak-related Internet resources