Manit Klavpiyapramorkul. 1996. Influence of different levels of nitrogen and age at harvest on the growth, bark yield and fiber cell characteristics of paper mulberry (Broussonetia papyrifera Vent.). , Central Luzon State University;
Manit Klavpiyapramorkul. (1996) Influence of different levels of nitrogen and age at harvest on the growth, bark yield and fiber cell characteristics of paper mulberry (Broussonetia papyrifera Vent.) . Central Luzon State University/Munoz, Nueva Ecija.
Manit Klavpiyapramorkul. Influence of different levels of nitrogen and age at harvest on the growth, bark yield and fiber cell characteristics of paper mulberry (Broussonetia papyrifera Vent.). . Munoz, Nueva Ecija:Central Luzon State University, 1996.
Manit Klavpiyapramorkul. (1996) Influence of different levels of nitrogen and age at harvest on the growth, bark yield and fiber cell characteristics of paper mulberry (Broussonetia papyrifera Vent.) . Central Luzon State University/Munoz, Nueva Ecija.