Zipinda zoyera za mankhwala ndizofunikira kwambiri popanga mankhwala.Zipinda zoyerazi ndi malo oyendetsedwa bwino omwe amapangidwa kuti azitsatira malamulo okhwima a Good Manufacturing Practice (GMP) kuti achepetse chiopsezo choipitsidwa.Kukwaniritsa malamulowa, ph...