Perrett, H. E. (1984). MONITORING AND EVALUATION OF COMMUNICATION SUPPORT ACTIVITIES ON LAW-COST SANITATION PROJECTS. Unido.
Stile di citazione ChicagoPerrett, Heli E. MONITORING AND EVALUATION OF COMMUNICATION SUPPORT ACTIVITIES ON LAW-COST SANITATION PROJECTS. Unido, 1984.
Citazione MLAPerrett, Heli E. MONITORING AND EVALUATION OF COMMUNICATION SUPPORT ACTIVITIES ON LAW-COST SANITATION PROJECTS. Unido, 1984.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.