1. <a href="./Journals/Article/JSST/10421848.pdf" target="_blank">A study of the efficiency of various designs of solar stills for producing potable water </a><br>MAUNG NAY HTUN and M.P. AFTAB<br><hr>2. <a href="./Journals/Article/JSST/10421849.pdf" target="_blank">Comparative study of the femurs of homo erectus and of recent male thais</a><br>VADHANA SUBHAVAN and SOOD SANGVICHIEN<br><hr>3. <a href="./Journals/Article/JSST/10421850.pdf" target="_blank">Current interests in fluidization research</a><br>J.P. COUDERC and S. DAMRONGLERD<br><hr>4. <a href="./Journals/Article/JSST/10421851.pdf" target="_blank">International cooperation in the development of science and technology in thailand and southeast asia</a><br>Pornchai Matangkasombut <br><hr>5. <a href="./Journals/Article/JSST/10421852.pdf" target="_blank">Physical chemistry the proton in chemistry</a><br>Prapin Wilairat<br><hr>