M. N. . Hendi, U. W. M. Liana, G. . Onaya, S. . Yatnikasari, P. Pitoyo, and I. Ilpandari, “Implementation of Mini Piles and Retaining Wall in the Construction of the North Kalimantan Provincial DPRD Building in Bulungan Regency”, J.Sci.Eng, vol. 2, no. 2, pp. 53–59, Jan. 2024.