List of Speaker Participant

No	NAME	INSTITUTION	CATEGORY	Title of Paper	PAPER
81	Endang Jariati	Universitas Negeri Yogyakarta	Chemistry Education	Multiple representation-based e-book for chemical equilibrium topic: A development process	OK
82	Rika Wulandari	Universitas Negeri Yogyakarta	Chemistry Education	The Chemistry Bonding Module with Problem-Based Learning Approach Contributes to Improving Critical Thinking and Students’ Self-Directed Learning	OK
83	Syaza Syahana	Universitas Negeri Yogyakarta	Chemistry Education	Effectiveness Of “Kampus Mengajar” Programs In Increasing Literacy And Numeration
84	RIFQI GHUFROONI	UNIVERSITAS NEGERI JAKARTA	Chemistry Education	Challenging Students with Renewable Energy Issue: Implementing Design Thinking Practices to Boost Their Problem-Solving Skills	OK
85	Fradhika Maulidina	UIN Sunan Kalijaga Yogyakarta	Chemistry Education	Universal Design for (Chemistry) Learning: Applying Action and Expression Principle	OK
86	Erica Anna Pratiwi	Yogyakarta State University	Chemistry Education	Analysis Correlation Between Divergent or Convergent Thinking Styles and Gender of Senior High Students in 11th Grade	OK
87	Rasamimanana Joronavalona	Chemistry Education, Magister Program, Universitas Negeri Yogyakarta	Chemistry Education	An Overview of Trends from Selected Journals Published in 2021 and 2022 Concerning Project-Based Learning	OK
88	Retno Subekti	Universitas Negeri Yogyakarta	Mathematics	The mean-variance method for optimizing gold portfolios and Sharia-compliant stocks
89	Nikenasih Binatari	UNY	Mathematics	Stability criteria of two-dimensional delay differential system using Pontryagin Theorem
90	Benny Yong	Parahyangan Catholic University	Mathematics	Using The SI1S1I2S-Type Epidemiological Model to Determine Important Parameters for COVID-19 Transmission with Reinfection in Indonesia

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