Rungsirivanich, Patthanasak
Inta, Angkhana
Tragoolpua, Yingmanee
Thongwai, Narumol
Funding for this research was provided by:
Thailand Research Fund (PHD60I0089)
Teaching Assistant and Research Assistant Scholarships (TA/RA), the Graduate School, Chiang Mai University Amazing Tea Limited Partnership
Article History
Received: 5 July 2019
Accepted: 27 October 2019
First Online: 12 November 2019
Competing interests
: The authors declare no competing interests.