by E-Mail:

• kocu_dl@yahoo.com
• sahat.tambunan@gmail.com
• kocu@julie-grace.com
• kocu@christian.net
• sahat@adirarent.com (no longer Available)
  used to be sahat@adirarental.com (no longer Available)
• sahat@asco.co.id (no longer Available)

by Mail:

• Jl. Kampus UNUD Taman Ambengan No.8F
• Jimbaran, Bali

• Jl. Sumur Batu Raya Blok A-III/3
• Jakarta Pusat - 10660
• (no longer Available)

by Phone:

• Home @ +62-21-4252247
• Mobile1 @ +62-812-8608964
• Mobile2 @ +62-21-70456860 (no longer Available)