Ngamjarurojana, A., Ananta, S., & Yimnirun, R. (2018). Effect of Al<inf>2</inf>O<inf>3</inf> addition on dielectric, piezoelectric and ferroelectric properties of O.2Pb(Zn<inf>1/3</inf>Nb<inf>2/3</inf>)O <inf>3</inf>-0.8Pb(Zr<inf>1/2</inf>Ti<inf>1/2</inf>)O<inf>3</inf> ceramics.

Ngamjarurojana, A., S. Ananta, and R. Yimnirun. Effect of Al<inf>2</inf>O<inf>3</inf> Addition On Dielectric, Piezoelectric and Ferroelectric Properties of O.2Pb(Zn<inf>1/3</inf>Nb<inf>2/3</inf>)O <inf>3</inf>-0.8Pb(Zr<inf>1/2</inf>Ti<inf>1/2</inf>)O<inf>3</inf> Ceramics. 2018.

Ngamjarurojana, A., S. Ananta, and R. Yimnirun. Effect of Al<inf>2</inf>O<inf>3</inf> Addition On Dielectric, Piezoelectric and Ferroelectric Properties of O.2Pb(Zn<inf>1/3</inf>Nb<inf>2/3</inf>)O <inf>3</inf>-0.8Pb(Zr<inf>1/2</inf>Ti<inf>1/2</inf>)O<inf>3</inf> Ceramics. 2018.