Units of measurement of radioactivity, dose and dose rate of radiation. Educational and Methodological Manual for Practical Exercises with Art” is a unique training manual created by the team of authors, which will become an indispensable assistant for students, graduate students and specialists working in the field of radiation safety and nuclear physics. This publication not only deepens knowledge about radioactivity, but also offers practical recommendations, which makes it especially valuable for those who seek to put the theory into practice. The book discusses in detail the basic units of radioactivity measurement, such as becquerel, curie, as well as the dose and dose rate of radiation. The authors emphasize the importance of accurate understanding of these concepts, because they are the basis for work in the field of radiation safety. The reader will be able to learn how to correctly interpret the measurement data, which is especially relevant in the modern world, where radiation safety issues are becoming increasingly important. This book will be of interest not only to students of technical and natural sciences, but also to those who work in the field of medicine, ecology and labor protection. If you are studying radiobiology, nuclear physics or just want to deepen your knowledge about radiation and its effects on humans, this guide will be a real find for you. It is suitable for both beginners and more experienced professionals who want to refresh their knowledge and gain practical skills. One of the main topics raised in the book is the importance of understanding the radiation background and its impact on human health. The authors explain in detail how to correctly measure and interpret the results, which will help readers not only in their studies, but also in their future professional activities. In the face of global changes in the environment and an increase in the number of radiation sources, knowledge of doses and dose rates of radiation becomes especially relevant. The style of the authors is characterized by accessibility and clarity of presentation, which allows even complex scientific concepts to be presented in an understandable form. Each chapter of the book is accompanied by practical tasks that will help consolidate theoretical knowledge. This makes the manual not only informative, but also interactive, which contributes to a deeper assimilation of the material .. The book “Units for measuring radioactivity, dose and dose rate of radiation” will be an excellent addition to the library of any specialist in the field of radiation safety. It can be used as a training manual in universities, and as a reference for practitioners. If you are looking for high-quality literature on radiation safety, pay attention to this guide - it will not only expand your knowledge, but also help you become more confident in your professional activities. In conclusion, this textbook is not just a book, but a whole world of knowledge that opens doors to a complex but fascinating area of radiation. Read, study and apply the knowledge gained in practice, and you will be able to contribute to the safety and health of people in conditions of radiation exposure