Teneva, D., Stoeva, P., Ognyanov, O., Stoev, A., & Spasova, M. (2026). OBSERVATIONS OF THE EVOLUTION OF THE SOLAR DIAMETER AND SOLAR CONSTANT WITH CUBSAT 3U SATELLITES. Proceedings of the International Conference on Secure Systems Design and Technology Development, 2, 321-325. https://doi.org/10.68302/std2026.vol2.185