RUKKHUN, R., K. IAMSAARD, S. SDOODEE, N. MAWAN, and N. KHONGDEE. “Effect of High-Frequency Tapping System on Latex Yield, Tapping Panel Dryness, and Biochemistry of Young Hillside Tapping Rubber”. Notulae Botanicae Horti Agrobotanici Cluj-Napoca, Vol. 48, no. 4, Dec. 2020, pp. 2359-67, doi:10.15835/nbha48412045.