Kumar, Pankaj; Mishra, Binaya Kumar; Avtar, Ram; Chakraborty, Shamik (2021). "Quantifying future water environment using numerical simulations: a scenario-based approach for sustainable groundwater management plan in Medan, Indonesia". Global Groundwater. Elsevier. pp. 585–596. doi:10.1016/b978-0-12-818172-0.00043-8. ISBN9780128181720. S2CID230551984. Medan is the capital city of North Sumatra province.
Inamiya, Yasuhito; Nakajima, Michio (November 2019). 非文字資料研究叢書2 「神国」の残影|国書刊行会 [Remnants of “Sacred Country” | Photographic Records of Sites of Overseas Shrines] (in Japanese). Kokusho Publishing Association. ISBN978-4-336-06342-7. Archived from the original on 1 August 2023. Retrieved 1 August 2023.
kompas.com
entertainment.kompas.com
Juraidi (23 August 2008). "Menelusuri Jejak Kerajaan Aru". Kompas.com (in Indonesian). Archived from the original on 17 September 2017. Retrieved 12 May 2017.
Kumar, Pankaj; Mishra, Binaya Kumar; Avtar, Ram; Chakraborty, Shamik (2021). "Quantifying future water environment using numerical simulations: a scenario-based approach for sustainable groundwater management plan in Medan, Indonesia". Global Groundwater. Elsevier. pp. 585–596. doi:10.1016/b978-0-12-818172-0.00043-8. ISBN9780128181720. S2CID230551984. Medan is the capital city of North Sumatra province.
Juraidi (23 August 2008). "Menelusuri Jejak Kerajaan Aru". Kompas.com (in Indonesian). Archived from the original on 17 September 2017. Retrieved 12 May 2017.
Inamiya, Yasuhito; Nakajima, Michio (November 2019). 非文字資料研究叢書2 「神国」の残影|国書刊行会 [Remnants of “Sacred Country” | Photographic Records of Sites of Overseas Shrines] (in Japanese). Kokusho Publishing Association. ISBN978-4-336-06342-7. Archived from the original on 1 August 2023. Retrieved 1 August 2023.