Kugwiritsa Ntchito Mankhwala Osachiritsika ku Khansa

Dis 10, 2019

Mfundo Zazikulu Pali kufalikira kwa kugwiritsa ntchito mankhwala osalemba zilembo pochiza khansa, nthawi zambiri popanda umboni wokwanira wa chithandizo chamankhwala. Kuwunika kwa meta kwamaphunziro azachipatala kunawonetsa kugwiritsa ntchito mankhwala osokoneza bongo mu 13-71% ya odwala khansa akulu. Kugwiritsa ntchito popanda zilembo kunali kwakukulu mu ...