កំណែគីមីវិទ្យា ថ្នាក់ទី១២

View lessons everywhere with the free download of version books and textbooks

View lessons everywhere with the free download of version books and textbooks

Introduction The 12th grade chemistry version that our writing committee has designed to meet the needs of students and teachers.

The content of the lessons contained in this book, the author has prepared from easy to difficult level and in line with the new curriculum and in accordance with the scientific method.

Our editorial board awaits criticism from teachers and readers from all walks of life to help improve the quality of this book in response to national education goals.