L. L. Méndez-Gutiérrez, E. A. Cubas Llanos, and F. Montesinos Ore, “Improvement Model for Efficiency in the LPG Bottling Process Using Lean Manufacturing and Industry 4.0 Tools in a Bottling Plant”, LACCEI, vol. 2, no. 13, Dec. 2025, doi: 10.18687/LEIRD2025.1.1.926.