Academic Journal Uttraradit Rajabhat University

Vol. 17 No. 1 (January – June 2022)

ISSN 1686 4409 (Print) ISSN 2651 1207 (Online)

Published: 2022-06-24

PERFORMANCE SIMULATION OF GRID-CONNECTED ROOFTOP SOLAR PV SYSTEM OF MAE MOH SUB-DISTRICT MUNICIPALITY, LAMPANG PROVINCE

Thanyapat Thipsuppawong, Watchara Wongpanyo, Bunyawat Vichanpol, Kesanee Inai, Warakhom Wongchai

81

NATURAL FIBER-BASED POLISHING PAD FOR CHEMICAL MECHANICAL POLISHING OF SAPPHIRE SUBSTRATE

Natthaphon Bun-athuek, Siriwan Boripatkosol, Apaipan Rattanapan, Panart Kajornrungruang, Keisuke Suzuki, Thammarat Somthong

99

UTILIZATION OF WASTE MATERIALS FROM COCONUT TO PRODUCTION OF CONCRETE BLOCKS

Wanpiti Thammasri, Nanthaporn Aonpadcha, Ussanee Peenok, Munthana Srithomgkam

117

THE APPLICATIONS OF MULTILEVEL STRUCTURAL EQUATION MODELING IN PUBLIC HEALTH SURVEY

Sirichai Junphum, Prakittiya Tuksino, Thanatporn Bantaojai

01