Shayapa Roongruangsarn และผู้แต่งคนอื่นๆ. (2021) Effects of ammonium sulfate and ammonium carbonate as contaminated ammonia in fly ash on properties of mortars. Thammasat University:ม.ป.ท.Shayapa Roongruangsarn และผู้แต่งคนอื่นๆ. 2021. Effects of ammonium sulfate and ammonium carbonate as contaminated ammonia in fly ash on properties of mortars. ม.ป.ท.:Thammasat University;Shayapa Roongruangsarn และผู้แต่งคนอื่นๆ. Effects of ammonium sulfate and ammonium carbonate as contaminated ammonia in fly ash on properties of mortars. ม.ป.ท.:Thammasat University, 2021. Print.