Yakub, Pramita, Rinie Pratiwi Puspitawati, and Ahmad Bashri. 2021. “Developing Analytical Skills through Optimizing the Learning Process by Science Teachers in Nganjuk Regency”. Journal of Community Service and Empowerment 2 (2):77-82. https://doi.org/10.22219/jcse.v2i2.16750.