Suwannarat K., Suwan-achariya Ch. Problems and likelihoods of the application of e-learning for self-directed learning // International scientific journal "Internauka". - 2017. - №14.
Suwan-achariya Chinasak, Latae Kalasom Size and the reduction of transaction costs on educational measures // International scientific journal "Internauka". Series: "Economic Sciences". — 2017. — №5.