Vertical transportation : elevators and escalators

Elevator traffic handbook : theory and practice

Electric lifts; a manual on the current practice in the design, installation, working, and maintenance of lifts / by Phillips R. S.

Pemilihan lift untuk proyek gedung perkantoran X

Pengembangan algoritma ukuran batch dalam pemesanan kebutuhan bahan baku perusahaan manufaktur eskalator dan lift = Batch sizes algorithm development in ordering raw materials for escalators and elevators manufacturing company