Value engineering research on construction materials cost efficiency for electronic storage warehouse projectRatih Dewi Shima, Erma Desimaliana, Nessa Valiantine Diredja, Delinaismie Nurrensyah and Yosafat Aji PranataE3S Web Conf., 688 (2026) 03002DOI: https://doi.org/10.1051/e3sconf/202668803002