R. Junggoth and A. C. Kuster, “PERFORMANCE OF SOLAR GREENHOUSE SAND DRYING BEDS IN FECAL SLUDGE HEATING AND DRYING AND INACTIVATION OF OPISTHORCHIS VIVERRINI EGGS DURING WINTER IN THAILAND”, Suranaree J Sci Technol, vol. 28, no. 5, pp. 070023(1–9), Aug. 2026.