Yusupov, M. and Kayumjanov , O. (2024) “SYNTHESIS OF METAL PHTHALOCYANINE PIGMENT BASED ON NPK AND CALCULATION OF PARTICLE SIZE USING THE DEBYE-SCHERRER EQUATION”, Scientific and Technical Journal of Namangan Institute of Engineering and Technology, 9(3), pp. 122–126. doi: 10.61151/stjniet.v9i3.590.