Contact For questions regarding the conference programme please contact: Diko Hary Adhanto +62 878-2521-1145 (Whatsapp Only) diko.hary@sci.ui.ac.id For technical questions regarding the registration and submission please contact: The 2nd ICOSAG 2022 CommitteeEmail : icosag@sci.ui.ac.idOffice Hour : 08.00 am – 04.00 pm / Monday-Friday