Syanjayanta, Biatma. “Building Planning With the Application of Shell Structure on the Building Roof, Using the Tifa Philosophy Approach to Improve Local Character (Case Study of the Buti - Merauke Catholic Church Building)”. Engineering And Technology Journal, vol. 10, no. 12, Dec. 2025, pp. 8162-7, doi:10.47191/etj/v10i12.15.