The animal clinic center: A constructivist learning model for developing naturalistic intelligence in early childhood to support SDG 4 and SDG 15Sri Setyowati, Malevi Agustin Ningrum, Dhirgan Grudhowaringin, Ruqoyyah Fitri and Guli ErgashevaE3S Web Conf., 696 (2026) 03006DOI: https://doi.org/10.1051/e3sconf/202669603006