Browsing P - Teacher Training and Education by Author "Usman, Usman"
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Developing IT-based learning media of the Aufbau electron configuration principle in constructivism-oriented chemistry learning to improve mastery of concepts and problem solving skills
Usman, Usman; Nurhadi, Mukhamad; Masruhim, Amir (AIP Publishing, 2023-01-27)The development of IT-based Aufbau electron configuration principle media has been conducted. This study aims to identify the validity, practicality and effectiveness of the use of the media to improve students’ mastery ... -
Integration of water treatment knowledge using SETS approach in online chemistry learning to improve chemical literacy of students on the aspect of knowledge and context
Usman, Usman; Kusumaningtyas, Pintaka (AIP Publishing, 2023-01-11)Chemical science literacy is one of the skills that students must master in the 21st century to solve their daily lives. One of the problems students face in the Delta Mahakam area is the difficulty of getting clean water. ...