Основни положения и новости в отглеждането, размножаването и получаването на посадъчен материал от: ягода, малина, къпина, френски грозда, арония, актинидия, бодливо грозде, боровинка, облепиха.
Glewwe, P., Patrinos, H. The Role of the Private Sector in Education in Vietnam. Washington: The World Bank, 1998 X, 30 с, 0-8213-4167-7.
Glewwe, P., Patrinos, H. The Role of the Private Sector in Education in Vietnam. Washington: The World Bank, 1998 X, 30 с, 0-8213-4167-7.
Glewwe, P., Patrinos, H. (1998) The Role of the Private Sector in Education in Vietnam, Washington: The World Bank X, 30 с, 0-8213-4167-7.
Glewwe, P., & Patrinos, H. (1998). The Role of the Private Sector in Education in Vietnam. Evidence from the Vietnam Living Standards Survey. Washington: The World Bank, X, 30 с.
Glewwe P, Patrinos H. The Role of the Private Sector in Education in Vietnam: Evidence from the Vietnam Living Standards Survey. Washington: The World Bank; 1998. p. X, 30 с. ISBN: 0-8213-4167-7.