P. Tzenov, K. Avramova, and D. Grekov, “POSSIBILITIES FOR CONDUCTING SUMMER SILKWORM REARING WITH WINTERED SILKWORM EGGS PRODUCED DURING THE SPRING SEASON OF THE PREVIOUS YEAR”, BJAH, vol. 47, no. 1, pp. 82–87, Feb. 2010, Accessed: Nov. 10, 2026. [Online]. Available: https://agriacad.eu/ojs/index.php/bjah/article/view/812