Ayuningrum, Bunga, Dhomas Hatta Fudholi, and Feri Wijayanto. 2026. “The Impact of Instagram Expansion in Meta Ads Campaigns on Lead Generation: A Hybrid TabTransformer and Causal Impact Analysis”. Research Horizon 6 (3):1303-18. https://doi.org/10.54518/rh.6.3.2026.1143.