Cover, Editorial Board, Welcome Speech, Guidance for Authors

Abstract

Today, we hold 2nd International Conferences on Science and Engineering. This will be a big and important event
because through this event we can share knowledge and experience with each other.
More than 200 experts, researchers, lecturers, and students invited and presented papers. Here, please allow me to
express my welcome on behalf of the organizing committee for all participants in this 2
nd International Conference on
Science and Engineering.
I would like to thank Assoc. Prof. Dr. Mahanem Mat Noor (Universiti Kebangsaan Malaysia). Joaquim Baeta
(Portugal), and Nasser Farid Geraldo (Catholic University of West Africa, Benin, Africa) as the keynote speakers.
I also gratefully thank to the Chancellor and Vice Chancellor of UIN Sunan Kalijaga, the Dean and Vice Dean of the
Faculty of Science and Technology for the opportunities that have been given so that this event be held. Would like to
thank to all also the members of apprenticeship program which are take most responsibility to run this conference. We
also thank all the committees and all the participants.
In this event we have tried our best, but there must be some things that are not pleasing to the audience, i profoundly
apologize.
Finally, I hope this event can take place successfully and all participants can enjoy this event.