Tsvetkov, Y., Tsvetkov, I., Taneva, N., Kovachev, N. Possibilities for using of KOMPOVET B4 (waste product of Biovet Peshtera J.S.C.) for natural fertilizing of fructiferous hop variety Perla. Sofia: 2010 с. pg. 47-51,.
Tsvetkov, Y., Tsvetkov, I., Taneva, N., Kovachev, N. Possibilities for using of KOMPOVET B4 (waste product of Biovet Peshtera J.S.C.) for natural fertilizing of fructiferous hop variety Perla. Sofia: 2010 с. pg. 47-51,.
Tsvetkov, Y., Tsvetkov, I., Taneva, N., Kovachev, N. (2010) Possibilities for using of KOMPOVET B4 (waste product of Biovet Peshtera J.S.C.) for natural fertilizing of fructiferous hop variety Perla, Sofia: с. pg. 47-51,.
Tsvetkov, Y., Tsvetkov, I., Taneva, N., & Kovachev, N. (2010). Possibilities for using of KOMPOVET B4 (waste product of Biovet Peshtera J.S.C.) for natural fertilizing of fructiferous hop variety Perla. Sofia: с. pg. 47-51.
Tsvetkov Y, Tsvetkov I, Taneva N, Kovachev N. Possibilities for using of KOMPOVET B4 (waste product of Biovet Peshtera J.S.C.) for natural fertilizing of fructiferous hop variety Perla. Sofia: 2010. p. с. pg. 47-51.