Lop Phavaphutanon. 1996. Effects of vesicular arbuscular mycorrhizal (VAM) fungi on drought resistance of neem trees (Azadirachta indica A. Juss). Graduate Studies, Texas A&M University;
Lop Phavaphutanon. (1996) Effects of vesicular arbuscular mycorrhizal (VAM) fungi on drought resistance of neem trees (Azadirachta indica A. Juss) . Texas A&M University/Texas.
Lop Phavaphutanon. Effects of vesicular arbuscular mycorrhizal (VAM) fungi on drought resistance of neem trees (Azadirachta indica A. Juss). . Texas:Texas A&M University, 1996.
Lop Phavaphutanon. (1996) Effects of vesicular arbuscular mycorrhizal (VAM) fungi on drought resistance of neem trees (Azadirachta indica A. Juss) . Texas A&M University/Texas.