WIDJAYA, A., Y. MELIALA, and W. SRISADONO. “THE EFFECT OF THE #30DAYSZEROWASTECHALLENGE CAMPAIGN MESSAGE ON AWARENESS AND BEHAVIOUR CHANGES OF @ZEROWASTE.ID_OFFICIAL FOLLOWERS”. ICCD, Vol. 6, no. 1, Nov. 2024, pp. 345-50, doi:10.33068/iccd.v6i1.782.