"Ilmu itu bukan apa yang dihafal, tetapi yang memberi manfaat."
— Imam Syafi'i 🧠
(1971). Economic appraisal of transport project. Bloomington: Indiana University Press.
1971. Economic appraisal of transport project. Bloomington: Indiana University Press.
Economic appraisal of transport project. Bloomington: Indiana University Press. 1971.