https://en.m.wikipedia.org/wiki/Fundamental_interaction
https://www.accessscience.com/content/article/a275600
https://digestiblenotes.com/physics/fundamental_particles/particle_classification.php
https://www.pw.live/exams/csir-net/classification-of-elementary-particles/
https://www.bbc.co.uk/bitesize/guides/zsnssbk/revision/2
https://www.slideshare.net/slideshow/standard-model-of-particle-physics-83170624/83170624
https://www.researchgate.net/publication/301614262_The_Justification_of_a_realistic_Picture_of_Particles_and_Atomic_Nuclei
https://www.studocu.com/in/document/mahatma-gandhi-university/physics/elementary-particles/29579633