https://www.intervalsignals.net/Countries/mozambique.htm
Interval Signals Online - Mozambique
Interval signals, signature tunes, and identification announcements from international, domestic and clandestine radio stations around the world
interval signalsonlinemozambique
https://www.dxzone.com/dx5229/interval-signals-library.html
Interval Signals Library - Shortwave Radio/BCL Resources | The DXZone
Collection of audio clips of foreign radio stations, with identification announcements in various languages, signature tunes and jingles, and of course...
interval signalsshortwave radiolibrarybclresources
https://academicworks.cuny.edu/hc_sas_etds/432/
"An Evaluation of the Impact of Leading Pedestrian Interval Signals in " by Jeremy J. Sze
I evaluated the impact of the phased introduction of Leading Pedestrian Interval Signals (LPIs) on collision and injury outcomes at 12,987 signalized traffic...