ε. Section B Planning and Implementation, Part 3 Physical Planning Initiatives, CHAPTER 13, Johor Bahru City Centre, Iskandar Malaysia, pg 6, "... This was followed later by the 21st Sultan of Johor – Sultan Abu Bakar (1862–1895) who laid the foundation for developing Johor into a modern state. ..." NB: Sultan Abu Bakar of Johor is the great-grandfather of Sultan Iskandar.
