cach lay hat dua le de phoi lam giong vu sau

xin cac anh chi co kinh nghiem cho em biet: cach thu hoach dua le, de lay hat lam giong cho vu sau, cach lay hat tu qua ra nhu nao ,phoi nhu the nao thi duoc, huong dan em cu the chut nhe,xin cam on, d/c :ducman75@gmail.com