Mieke Miarsyah, Ade Suryanda, Ratna Komala, Visdha Ersita, Ilmi Zajuli Ichsan
Online learning has become a new learning in modern times that makes it easier to convey learning topics. The purpose of this study was to develop teaching materials in the form of an Online Learning Integrated Book on Environmental Balance (OLIBEB). This research was conducted from March to June 2021 at the Universitas Negeri Jakarta. This study used the Research and Development (R & D) method. The results of the study showed that the assessment carried out by three experts, namely media experts, material experts and linguists had very decent results. The percentage of the feasibility of Online Learning Integrated Book on Environmental Balance according to the media experts was 86% and according to Linguist at 82%, which were categorized as very valid, whereas according to the material at 73%, which was categorized as valid. Assessments from small groups and large groups had the same value of 95%, with very valid categories. The conclusion is that OLIBEB is very valid and suitable for use in learning at school. © 2023 American Institute of Physics Inc.. All rights reserved.
Department of Biology Education, Universitas Negeri Jakarta, Jakarta, Indonesia; Elementary Teacher Education Program, Universitas Mohammad Husni Thamrin, Jakarta, Indonesia
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