Sipahutar, Erwinsyah, and Oktrison Oktrison. “MIMO Microstrip Antenna With Multiple Inputs at 2.4 GHz Frequency for Long Term Evolution (LTE)”. PERFECT: Journal of Smart Algorithms, vol. 2, no. 1, June 2025, pp. 35-46, https://doi.org/10.62671/perfect.v2i1.69.