List of Speaker Participant

No	NAME	INSTITUTION	CATEGORY	Title of Paper	PAPER
1	DR. BUSRONI, MSi	JEMBER UNIVERSITY	Chemistry	Synthesis Composite Polyaniline-Celulose Bacterial, Dopant, Immersion, and Hydrolysis Mechanism: Conductivity Studies	OK
2	Dr. Busroni, MSi	Jember University	Chemistry	One Step Synthetic Method Material of p-Tert.Butylcalix[4]arene Derivative via Direct Benzoylation: Mechanism Model Studies	OK
3	Qania Agustika Siagian	Universitas Pendidikan Indonesia	Mathematics Education	Analysis of Student Errors in Solving HOTS Type Math Problems Based on Newman's Theory in Terms Of Gender	OK
4	Agung Rimayanto Gintu	Universitas Kristen Satya Wacana Salatiga	Chemistry	Antibacterial Assay and Modification of Hydroxyapatite from Laying Chicken (Galus sp) Eggshells	OK
5	Khairunnisa	Universitas Pendidikan Indonesia	Mathematics Education	Analysis of Students' Mathematical Thinking Processes in Solving Mathematical Problems	OK
6	Ibnu Hartopo	Yogyakarta State University	STEM Education	Development of Robotic Arm Learning Media Based on STEM-PjBL: A Feasibility Test	OK
7	Padrul Jana	Universitas Gadjah Mada	Mathematics	The Characteristics of Multi-objective Portfolio in the Simulation of Determining Investment Risk Level	OK
8	Dr. Gulmah Sugiharti, M.Pd	UNIVERSITAS NEGERI MEDAN	Chemistry Education	MODEL PROJECT BASED LEARNING AND CREATIVE THINKING ABILITY AND THEIR EFFECT ON STUDENT LEARNING OUTCOMES IN COLOID CHEMISTRY	OK
9	Widodo Setiyo Wibowo	Universitas Negeri Yogyakarta	Natural Science Education	SETS-Based Integrated Science Module on Earthquake Theme: Is It Feasible and Effective in Fostering Students' Disaster Preparedness?	OK
10	Salma Maharani	State University of Jakarta	STEM Education	Indicators of Vocational Literacy to Assess SMK’s Students’ Competencies	OK

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