ALITRA; RESMI BESTARI; BAMBANG PURWOKO K.B. Risk Management of Pile Foundation Work Using Analytical Hierarchy Process Method (AHP). I. J. of Engineering Research and Advanced Technology - IJERAT (ISSN: 2454-6135), CrossRef: 10.31695/IJERAT, v. 5, n. 5, p. 37-46, 1 May 2019.