Ukongeza kwi-65% ngesiPhulelo
I-Health Promotion Model (HPM) yenziwa nguPender ngo-1982 yaze yahlaziywa ngo-1987, 1996, kunye no-2002. Imvelaphi kaPender kwezobunesi, uphuhliso loluntu, isayikholoji yovavanyo, kunye nemfundo yamkhokelela ekubeni asebenzise imbono ebanzi yokonga, ipsychology yentlalo, kunye nemfundo. Ithiyori yokufunda njengeziseko ze-HPM [1]. NgeScirp.org.
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