Road signs in Indonesia the rules are not being implemented properly. Indonesian road signs use Indonesian, the official and the national language of Indonesia. However, English is also used for important public places such as tourist attractions and airports. Bilingual signs can be found in tourist areas such as Bali. Indonesia signed the Vienna Convention on Road Signs and Signals but have yet to ratify the Convention. Warning signs warn of possible dangers or unusual conditions ahead and alert motorists on the hazards to expect. Warning signs in Indonesia used to closely follow The American MUTCD and Japanese diamond-shaped with yellow background and black-and-yellow
S. Olvah Alhamid 2013 she graduated with a thesis entitled 'Customer Involvement Increases Customer Satisfaction' and received a double degree from University of Indonesia (Bachelor of Economics, Indonesian: "Sarjana Ekonomi" or abbreviated as "S.E.") and University of Groningen (Bachelor of Science). S. Olvah Alhamid Syarifah Olvah Alhamid (; ; born March 24, 1990) or beter known as S. Olvah Alhamid is an Indonesian model from Kaimana Regency and became the first Papuan women who advanced to the Top 5 of Puteri Indonesia, precisely at the beauty pageant of Puteri Indonesia 2015. For his victory in the Top 5 Puteri Indonesia 2015, Olvah then