Dear Authors,

We are in progress to send you the Letter of Acceptance via your email. Please pay attention, to who have been Accepted With Revision, please submit the Revised Version before 25 Aug 2019 via website (not via email). To who have been Accepted Without Revision, you are encouraged to pay the registration fee and register before 30 Aug 2019

See you in Pekanbaru, 10 Sept 2019.

Nur Islami, Ph.D (the Conference Chair)