Aparajita Mitra and Amita Pal. 2000. “ISOZYME ANALYSIS OF <em>POPULUS</em> <em>DELTOIDES</Em> AND A HYBRID POPLAR FOR THE EVALUATION OF GENETIC STABILITY IN THE CULTURE REGENERATED PLANTS”. Journal of Tropical Forest Science (JTFS) 12 (4):697-706. https://jtfs.frim.gov.my/jtfs/article/view/1463.