Penpattra Tarsakoo และ Peerayuth Charoensukmongkol. (2019) Contribution of social media marketing capability to business performance of Thai firms. National Institute of Development Administration:ม.ป.ท.Penpattra Tarsakoo และ Peerayuth Charoensukmongkol. 2019. Contribution of social media marketing capability to business performance of Thai firms. ม.ป.ท.:National Institute of Development Administration;Penpattra Tarsakoo และ Peerayuth Charoensukmongkol. Contribution of social media marketing capability to business performance of Thai firms. ม.ป.ท.:National Institute of Development Administration, 2019. Print.