List of Speaker Participant

No	NAME	INSTITUTION	CATEGORY	TITLE OF PAPER	PAPER
21	Das Salirawati	Yogyakarta State University	Chemistry education	CRITICAL THINKING LEVELS ON ACID-BASE TOPIC OF 11th GRADE STUDENTS IN YOGYAKARTA	OK
22	Asti Cahyaningtias	Yogyakarta State University	Biology education	The effect of scientific approach using real object and ict towards biological literacy on coordination system subject for senior high school students in Yogyakarta	OK
23	Asti Cahyaningtias	Yogyakarta State University	Biology education	The effect of scientific approach using real object and ict towards biological literacy on coordination system subject for senior high school students in Yogyakarta	OK
24	Intan Nurjannah	Universitas Gadjah Mada	Physics	Photoacoustic tomography imaging system based on laser diode to distinguish biological tissue and enhanced application of contrast agent
25	Ruslan	STKIP Bima	Chemistry	Natural Dye Extraction from Brown Algae using the Microwave Assisted Extraction	OK
26	Dani Rahmawati Hakim	Universitas Negeri Yogyakarta	Biology education	THE IMPLEMENTATION OF SCIENTIFIC APPROACH LEARNING MODEL USING REAL OBJECT AND ICT TOWARDS BIOLOGICAL LITERACY IN THE URINARY SYSTEM SUBJECT IN SMA YOGYAKARTA	OK
27	Erina Prastyani	Universitas Gadjah Mada	Geophysics	An Overview of Using Electromagnetic Method (VLF-EM) for Investigating the Leachate Contamination – Case Studies	OK
28	Retno S. Sudibyo, Prof. Dr. M.Sc., Apt.	Faculty pf Pharmacy, Universitas Gadjah Mada	Biology	Effect of growth regulators on the development of Curcuma mangga Val. callus
29	Andika Adinanda Siswoyo	Universitas Trunojoyo Madura	Science education	ETHNOSCIENCE STUDY OF CORNFIELD AS A THEMATIC SCIENCE LEARNING RESOURCE	OK
30	Suhandoyo	FMIPA Universias Negeri Yogyakarta	Biology	Earthworms (Lumbricus rubellus) Performance on Bagasse	OK

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