Sombun Techapinyawat. 1982. Studies on inoculation of IPIL-IPIL [Leucaena leucocephala [Lam.] De Witt.] with rhizobia and mycorrhizal fungi. Field of Study Botany, University of the Philippines;
Sombun Techapinyawat. (1982) Studies on inoculation of IPIL-IPIL [Leucaena leucocephala [Lam.] De Witt.] with rhizobia and mycorrhizal fungi . University of the Philippines/Los Banos.
Sombun Techapinyawat. Studies on inoculation of IPIL-IPIL [Leucaena leucocephala [Lam.] De Witt.] with rhizobia and mycorrhizal fungi. . Los Banos:University of the Philippines, 1982.
Sombun Techapinyawat. (1982) Studies on inoculation of IPIL-IPIL [Leucaena leucocephala [Lam.] De Witt.] with rhizobia and mycorrhizal fungi . University of the Philippines/Los Banos.