Gaya APA

Alifen, Ratna S.. (2002). Time cost trade off for pouring concrete: a performance-based system . : Balitbang PU.

Gaya Chicago

Alifen, Ratna S.. Time cost trade off for pouring concrete: a performance-based system. : Balitbang PU, 2002. Computer Software.

Gaya MLA

Alifen, Ratna S.. Time cost trade off for pouring concrete: a performance-based system. : Balitbang PU, 2002. Computer Software.

Gaya Turabian

Alifen, Ratna S.. Time cost trade off for pouring concrete: a performance-based system. : Balitbang PU, 2002. Computer Software.