![]() ![]() but, after seeing the existence of supervision ineffectiveness, the directive then emerged the theory of non directive supervision. directive then emerged the teory of non directive supervision. zat warna yang sering digunakan merupakan golongan azo yang mempunyai sifat non. mengakibatkan kebutuhan akan zat warna semakin bertambah. Industri tekstil di indonesia telah berkembang semakin pesat.
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