Crit 3 - Finalised Ideation

Sources / References :

- Department of Civil Engineering, Polytechnic Merlimau.

- Badan Warisan, Kuala Lumpur.

- Encik Roslan, Pegawai Istana.

- Muzium Ipoh.

- http://sembangkuala.wordpress.com/category/royal-household
- http://ku-alam.blogspot.com/2010_06_01_archive.html

- http://sultan.perak.gov.my/bahasa/iskandar_shah.htm

- http://radin87.blogspot.com/2011/01/sultan-of-perak.html

- http://www.perlisroyalty.gov.my/bm/kebesaran/alat.htm