Amrianto, Fatchur Rohman, Agus Dharmawan, and Murni Sapta Sari. 2024. “Development of a 4C Skills Evaluation Instrument for Biology: A Validity and Reliability Study on Indonesian High School Students Learning”. International Journal of Innovative Research and Scientific Studies 7 (2):701-17. https://doi.org/10.53894/ijirss.v7i2.2873.