Thornhill, A. H., Hallam, N. D., & Harper, I. S. The development of the digestive glands and enzymes in the pitchers of three Nepenthes species: N. Alata, N. Tobaica, and N. Ventricosa (Nepenthaceae).

Thornhill, Andrew H., Neil D. Hallam, و Ian S. Harper. The Development of the Digestive Glands and Enzymes in the Pitchers of Three Nepenthes Species: N. Alata, N. Tobaica, and N. Ventricosa (Nepenthaceae).

Thornhill, Andrew H., Neil D. Hallam, و Ian S. Harper. The Development of the Digestive Glands and Enzymes in the Pitchers of Three Nepenthes Species: N. Alata, N. Tobaica, and N. Ventricosa (Nepenthaceae).