Fikri, Ariful, Helma Helma, and Mori Dianto. 2022. “Development of Website-Based Emotional Intelligence Instruments As One of the Efforts to Implement Industrial Revolution 4.0 (Study on Students of SMK Muhammadiyah 1 Padang)”. Holistic Science 2 (3):196-99. https://doi.org/10.56495/hs.v2i3.232.