[Provisions or tea ? or food supply and the conditions of family life in Rwanda (analysis of an inquiry conducted at Nyabishongo, Kanama parish, in 1980 and 1981, plus a few results of the inquiry made in Kigali in April 1979)]

agua potable bebidas besoin nutritionnel beverages boisson calendrier cultural choix de la date combustible combustibles comportement alimentaire comportement de boisson consumer expenditure drinking habits drinking water eau potable estado nutricional farm structure feeding frequency feeding habits food security frecuencia de las comidas fuels gastos de consumo habitat rural habitude alimentaire hogares households income main d'oeuvre mano de obra manpower necesidades de nutrientes nutritional requirements nutritional status nutritive value plant production population structure raciones ration rations renta revenu rural housing rwanda seguridad alimentaria structure d'exploitation agricole structure de la population te tea timing valeur nutritive valor nutritivo vivienda rural